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[PATCH 07/11] possibility to dump session variables by pg_dump
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* [PATCH v20220916 09/13] possibility to dump session variables by pg_dump
@ 2022-04-04 18:49 [email protected] <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: [email protected] @ 2022-04-04 18:49 UTC (permalink / raw)

Enhancing pg_dump about session variables support
---
 src/bin/pg_dump/common.c             |   3 +-
 src/bin/pg_dump/dumputils.c          |   6 +
 src/bin/pg_dump/pg_backup.h          |   2 +
 src/bin/pg_dump/pg_backup_archiver.c |  12 +-
 src/bin/pg_dump/pg_dump.c            | 237 ++++++++++++++++++++++++++-
 src/bin/pg_dump/pg_dump.h            |  25 ++-
 src/bin/pg_dump/pg_dump_sort.c       |   6 +
 src/bin/pg_dump/pg_restore.c         |   9 +-
 src/bin/pg_dump/t/002_pg_dump.pl     |  65 ++++++++
 src/tools/pgindent/typedefs.list     |   1 +
 10 files changed, 361 insertions(+), 5 deletions(-)

diff --git a/src/bin/pg_dump/common.c b/src/bin/pg_dump/common.c
index 395f817fa8..6f10488c34 100644
--- a/src/bin/pg_dump/common.c
+++ b/src/bin/pg_dump/common.c
@@ -263,7 +263,8 @@ getSchemaData(Archive *fout, int *numTablesPtr)
 	pg_log_info("reading subscriptions");
 	getSubscriptions(fout);
 
-	free(inhinfo);				/* not needed any longer */
+	pg_log_info("reading variables");
+	getVariables(fout);
 
 	*numTablesPtr = numTables;
 	return tblinfo;
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index 6e501a5413..dc1f0e1ba8 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -504,6 +504,12 @@ do { \
 		CONVERT_PRIV('r', "SELECT");
 		CONVERT_PRIV('w', "UPDATE");
 	}
+	else if (strcmp(type, "VARIABLE") == 0 ||
+			 strcmp(type, "VARIABLES") == 0)
+	{
+		CONVERT_PRIV('r', "SELECT");
+		CONVERT_PRIV('w', "UPDATE");
+	}
 	else
 		abort();
 
diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index fcc5f6bd05..9d675d669c 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -131,12 +131,14 @@ typedef struct _restoreOptions
 	int			selFunction;
 	int			selTrigger;
 	int			selTable;
+	int			selVariable;
 	SimpleStringList indexNames;
 	SimpleStringList functionNames;
 	SimpleStringList schemaNames;
 	SimpleStringList schemaExcludeNames;
 	SimpleStringList triggerNames;
 	SimpleStringList tableNames;
+	SimpleStringList variableNames;
 
 	int			useDB;
 	ConnParams	cparams;		/* parameters to use if useDB */
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 233198afc0..8d47869ba8 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -2934,6 +2934,14 @@ _tocEntryRequired(TocEntry *te, teSection curSection, ArchiveHandle *AH)
 					!simple_string_list_member(&ropt->triggerNames, te->tag))
 					return 0;
 			}
+			else if (strcmp(te->desc, "VARIABLE") == 0)
+			{
+				if (!ropt->selVariable)
+					return 0;
+				if (ropt->variableNames.head != NULL &&
+					!simple_string_list_member(&ropt->variableNames, te->tag))
+					return 0;
+			}
 			else
 				return 0;
 		}
@@ -3419,6 +3427,7 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te)
 		strcmp(type, "TEXT SEARCH DICTIONARY") == 0 ||
 		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0 ||
 		strcmp(type, "STATISTICS") == 0 ||
+		strcmp(type, "VARIABLE") == 0 ||
 	/* non-schema-specified objects */
 		strcmp(type, "DATABASE") == 0 ||
 		strcmp(type, "PROCEDURAL LANGUAGE") == 0 ||
@@ -3611,7 +3620,8 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, bool isData)
 			strcmp(te->desc, "SERVER") == 0 ||
 			strcmp(te->desc, "STATISTICS") == 0 ||
 			strcmp(te->desc, "PUBLICATION") == 0 ||
-			strcmp(te->desc, "SUBSCRIPTION") == 0)
+			strcmp(te->desc, "SUBSCRIPTION") == 0 ||
+			strcmp(te->desc, "VARIABLE") == 0)
 		{
 			PQExpBuffer temp = createPQExpBuffer();
 
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 67b6d9079e..813f3f5c7c 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -287,6 +287,7 @@ static void dumpPolicy(Archive *fout, const PolicyInfo *polinfo);
 static void dumpPublication(Archive *fout, const PublicationInfo *pubinfo);
 static void dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo);
 static void dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo);
+static void dumpVariable(Archive *fout, const VariableInfo * varinfo);
 static void dumpDatabase(Archive *AH);
 static void dumpDatabaseConfig(Archive *AH, PQExpBuffer outbuf,
 							   const char *dbname, Oid dboid);
@@ -4741,6 +4742,232 @@ get_next_possible_free_pg_type_oid(Archive *fout, PQExpBuffer upgrade_query)
 	return next_possible_free_oid;
 }
 
+/*
+ * getVariables
+ *	  get information about variables
+ */
+void
+getVariables(Archive *fout)
+{
+	PQExpBuffer query;
+	PGresult   *res;
+	VariableInfo *varinfo;
+	int			i_tableoid;
+	int			i_oid;
+	int			i_varname;
+	int			i_varnamespace;
+	int			i_vartype;
+	int			i_vartypname;
+	int			i_vardefexpr;
+	int			i_vareoxaction;
+	int			i_varisnotnull;
+	int			i_varisimmutable;
+	int			i_varowner;
+	int			i_varcollation;
+	int			i_varacl;
+	int			i_acldefault;
+	int			i,
+				ntups;
+
+	if (fout->remoteVersion < 160000)
+		return;
+
+	query = createPQExpBuffer();
+
+	resetPQExpBuffer(query);
+
+	/* Get the variables in current database. */
+	appendPQExpBuffer(query,
+					  "SELECT v.tableoid, v.oid, v.varname,\n"
+					  "v.vareoxaction,\n"
+					  "v.varnamespace,\n"
+					  "v.vartype,\n"
+					  "pg_catalog.format_type(v.vartype, v.vartypmod) as vartypname,\n"
+					  "v.varisnotnull,\n"
+					  "v.varisimmutable,\n"
+					  "CASE WHEN v.varcollation <> t.typcollation "
+					  "THEN v.varcollation ELSE 0 END AS varcollation,\n"
+					  "pg_catalog.pg_get_expr(v.vardefexpr,0) as vardefexpr,\n"
+					  "v.varowner,\n"
+					  "v.varacl,\n"
+					  "acldefault('V', v.varowner) AS acldefault\n"
+					  "FROM pg_catalog.pg_variable v\n"
+					  "JOIN pg_catalog.pg_type t "
+					  "ON (v.vartype = t.oid)");
+
+	res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+	ntups = PQntuples(res);
+
+	i_tableoid = PQfnumber(res, "tableoid");
+	i_oid = PQfnumber(res, "oid");
+	i_varname = PQfnumber(res, "varname");
+	i_varnamespace = PQfnumber(res, "varnamespace");
+	i_vartype = PQfnumber(res, "vartype");
+	i_vartypname = PQfnumber(res, "vartypname");
+	i_vareoxaction = PQfnumber(res, "vareoxaction");
+	i_vardefexpr = PQfnumber(res, "vardefexpr");
+	i_varisnotnull = PQfnumber(res, "varisnotnull");
+	i_varisimmutable = PQfnumber(res, "varisimmutable");
+	i_varcollation = PQfnumber(res, "varcollation");
+
+	i_varowner = PQfnumber(res, "varowner");
+	i_varacl = PQfnumber(res, "varacl");
+	i_acldefault = PQfnumber(res, "acldefault");
+
+	varinfo = pg_malloc(ntups * sizeof(VariableInfo));
+
+	for (i = 0; i < ntups; i++)
+	{
+		TypeInfo   *vtype;
+
+		varinfo[i].dobj.objType = DO_VARIABLE;
+		varinfo[i].dobj.catId.tableoid =
+			atooid(PQgetvalue(res, i, i_tableoid));
+		varinfo[i].dobj.catId.oid = atooid(PQgetvalue(res, i, i_oid));
+		AssignDumpId(&varinfo[i].dobj);
+		varinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_varname));
+		varinfo[i].dobj.namespace =
+			findNamespace(atooid(PQgetvalue(res, i, i_varnamespace)));
+
+		varinfo[i].vartype = atooid(PQgetvalue(res, i, i_vartype));
+		varinfo[i].vartypname = pg_strdup(PQgetvalue(res, i, i_vartypname));
+		varinfo[i].vareoxaction = pg_strdup(PQgetvalue(res, i, i_vareoxaction));
+		varinfo[i].varisnotnull = *(PQgetvalue(res, i, i_varisnotnull)) == 't';
+		varinfo[i].varisimmutable = *(PQgetvalue(res, i, i_varisimmutable)) == 't';
+		varinfo[i].varcollation = atooid(PQgetvalue(res, i, i_varcollation));
+
+		varinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_varacl));
+		varinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+		varinfo[i].dacl.privtype = 0;
+		varinfo[i].dacl.initprivs = NULL;
+		varinfo[i].rolname = getRoleName(PQgetvalue(res, i, i_varowner));
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		/* Do not try to dump ACL if no ACL exists. */
+		if (!PQgetisnull(res, i, i_varacl))
+			varinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
+		if (PQgetisnull(res, i, i_vardefexpr))
+			varinfo[i].vardefexpr = NULL;
+		else
+			varinfo[i].vardefexpr = pg_strdup(PQgetvalue(res, i, i_vardefexpr));
+
+		if (strlen(varinfo[i].rolname) == 0)
+			pg_log_warning("owner of variable \"%s\" appears to be invalid",
+						   varinfo[i].dobj.name);
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		vtype = findTypeByOid(varinfo[i].vartype);
+		addObjectDependency(&varinfo[i].dobj, vtype->dobj.dumpId);
+	}
+	PQclear(res);
+
+	destroyPQExpBuffer(query);
+}
+
+/*
+ * dumpVariable
+ *	  dump the definition of the given variables
+ */
+static void
+dumpVariable(Archive *fout, const VariableInfo *varinfo)
+{
+	DumpOptions *dopt = fout->dopt;
+
+	PQExpBuffer delq;
+	PQExpBuffer query;
+	char	   *qualvarname;
+	const char *vartypname;
+	const char *vardefexpr;
+	const char *vareoxaction;
+	const char *varisimmutable;
+	Oid			varcollation;
+	bool		varisnotnull;
+
+	/* Skip if not to be dumped */
+	if (!varinfo->dobj.dump || dopt->dataOnly)
+		return;
+
+	delq = createPQExpBuffer();
+	query = createPQExpBuffer();
+
+	qualvarname = pg_strdup(fmtQualifiedDumpable(varinfo));
+	vartypname = varinfo->vartypname;
+	vardefexpr = varinfo->vardefexpr;
+	vareoxaction = varinfo->vareoxaction;
+	varisnotnull = varinfo->varisnotnull;
+	varisimmutable = varinfo->varisimmutable ? "IMMUTABLE " : "";
+	varcollation = varinfo->varcollation;
+
+	appendPQExpBuffer(delq, "DROP VARIABLE %s;\n",
+					  qualvarname);
+
+	appendPQExpBuffer(query, "CREATE %sVARIABLE %s AS %s",
+					  varisimmutable, qualvarname, vartypname);
+
+	if (OidIsValid(varcollation))
+	{
+		CollInfo   *coll;
+
+		coll = findCollationByOid(varcollation);
+		if (coll)
+			appendPQExpBuffer(query, " COLLATE %s",
+							  fmtQualifiedDumpable(coll));
+	}
+
+	if (varisnotnull)
+		appendPQExpBuffer(query, " NOT NULL");
+
+	if (vardefexpr)
+		appendPQExpBuffer(query, " DEFAULT %s",
+						  vardefexpr);
+
+	if (strcmp(vareoxaction, "d") == 0)
+		appendPQExpBuffer(query, " ON COMMIT DROP");
+	else if (strcmp(vareoxaction, "r") == 0)
+		appendPQExpBuffer(query, " ON TRANSACTION END RESET");
+
+	appendPQExpBuffer(query, ";\n");
+
+	if (varinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+		ArchiveEntry(fout, varinfo->dobj.catId, varinfo->dobj.dumpId,
+					 ARCHIVE_OPTS(.tag = varinfo->dobj.name,
+								  .namespace = varinfo->dobj.namespace->dobj.name,
+								  .owner = varinfo->rolname,
+								  .description = "VARIABLE",
+								  .section = SECTION_PRE_DATA,
+								  .createStmt = query->data,
+								  .dropStmt = delq->data));
+
+	/* Dump comment if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
+		dumpComment(fout, "VARIABLE", qualvarname,
+					NULL, varinfo->rolname,
+					varinfo->dobj.catId, 0, varinfo->dobj.dumpId);
+
+	/* Dump ACL if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_ACL)
+	{
+		char	   *qvarname = pg_strdup(fmtId(varinfo->dobj.name));
+
+		dumpACL(fout, varinfo->dobj.dumpId, InvalidDumpId, "VARIABLE",
+				qvarname, NULL,
+				varinfo->dobj.namespace->dobj.name, varinfo->rolname, &varinfo->dacl);
+
+		free(qvarname);
+	}
+
+	destroyPQExpBuffer(delq);
+	destroyPQExpBuffer(query);
+
+	free(qualvarname);
+}
+
 static void
 binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
 										 PQExpBuffer upgrade_buffer,
@@ -9395,7 +9622,8 @@ getAdditionalACLs(Archive *fout)
 					dobj->objType == DO_TABLE ||
 					dobj->objType == DO_PROCLANG ||
 					dobj->objType == DO_FDW ||
-					dobj->objType == DO_FOREIGN_SERVER)
+					dobj->objType == DO_FOREIGN_SERVER ||
+					dobj->objType == DO_VARIABLE)
 				{
 					DumpableObjectWithAcl *daobj = (DumpableObjectWithAcl *) dobj;
 
@@ -9985,6 +10213,9 @@ dumpDumpableObject(Archive *fout, DumpableObject *dobj)
 		case DO_SUBSCRIPTION:
 			dumpSubscription(fout, (const SubscriptionInfo *) dobj);
 			break;
+		case DO_VARIABLE:
+			dumpVariable(fout, (VariableInfo *) dobj);
+			break;
 		case DO_PRE_DATA_BOUNDARY:
 		case DO_POST_DATA_BOUNDARY:
 			/* never dumped, nothing to do */
@@ -14361,6 +14592,9 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
 		case DEFACLOBJ_NAMESPACE:
 			type = "SCHEMAS";
 			break;
+		case DEFACLOBJ_VARIABLE:
+			type = "VARIABLES";
+			break;
 		default:
 			/* shouldn't get here */
 			pg_fatal("unrecognized object type in default privileges: %d",
@@ -17902,6 +18136,7 @@ addBoundaryDependencies(DumpableObject **dobjs, int numObjs,
 			case DO_CONVERSION:
 			case DO_TABLE:
 			case DO_TABLE_ATTACH:
+			case DO_VARIABLE:
 			case DO_ATTRDEF:
 			case DO_PROCLANG:
 			case DO_CAST:
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 69ee939d44..5c6acf84f6 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -52,6 +52,7 @@ typedef enum
 	DO_TABLE,
 	DO_TABLE_ATTACH,
 	DO_ATTRDEF,
+	DO_VARIABLE,
 	DO_INDEX,
 	DO_INDEX_ATTACH,
 	DO_STATSEXT,
@@ -82,7 +83,7 @@ typedef enum
 	DO_PUBLICATION,
 	DO_PUBLICATION_REL,
 	DO_PUBLICATION_TABLE_IN_SCHEMA,
-	DO_SUBSCRIPTION
+	DO_SUBSCRIPTION,
 } DumpableObjectType;
 
 /*
@@ -664,6 +665,27 @@ typedef struct _SubscriptionInfo
 	char	   *subpublications;
 } SubscriptionInfo;
 
+/*
+ * The VariableInfo struct is used to represent session variables
+ */
+typedef struct _VariableInfo
+{
+	DumpableObject dobj;
+	DumpableAcl dacl;
+	Oid			vartype;
+	char	   *vartypname;
+	char	   *vareoxaction;
+	char	   *vardefexpr;
+	char	   *varacl;
+	char	   *rvaracl;
+	char	   *initvaracl;
+	char	   *initrvaracl;
+	bool		varisnotnull;
+	bool		varisimmutable;
+	Oid			varcollation;
+	const char *rolname;		/* name of owner, or empty string */
+} VariableInfo;
+
 /*
  *	common utility functions
  */
@@ -746,5 +768,6 @@ extern void getPublicationNamespaces(Archive *fout);
 extern void getPublicationTables(Archive *fout, TableInfo tblinfo[],
 								 int numTables);
 extern void getSubscriptions(Archive *fout);
+extern void getVariables(Archive *fout);
 
 #endif							/* PG_DUMP_H */
diff --git a/src/bin/pg_dump/pg_dump_sort.c b/src/bin/pg_dump/pg_dump_sort.c
index 5de3241eb4..1a660b8a9f 100644
--- a/src/bin/pg_dump/pg_dump_sort.c
+++ b/src/bin/pg_dump/pg_dump_sort.c
@@ -75,6 +75,7 @@ enum dbObjectTypePriorities
 	PRIO_TABLE_ATTACH,
 	PRIO_DUMMY_TYPE,
 	PRIO_ATTRDEF,
+	PRIO_VARIABLE,
 	PRIO_BLOB,
 	PRIO_PRE_DATA_BOUNDARY,		/* boundary! */
 	PRIO_TABLE_DATA,
@@ -116,6 +117,7 @@ static const int dbObjectTypePriority[] =
 	PRIO_TABLE,					/* DO_TABLE */
 	PRIO_TABLE_ATTACH,			/* DO_TABLE_ATTACH */
 	PRIO_ATTRDEF,				/* DO_ATTRDEF */
+	PRIO_VARIABLE,				/* DO_VARIABLE */
 	PRIO_INDEX,					/* DO_INDEX */
 	PRIO_INDEX_ATTACH,			/* DO_INDEX_ATTACH */
 	PRIO_STATSEXT,				/* DO_STATSEXT */
@@ -1508,6 +1510,10 @@ describeDumpableObject(DumpableObject *obj, char *buf, int bufsize)
 					 "POST-DATA BOUNDARY  (ID %d)",
 					 obj->dumpId);
 			return;
+		case DO_VARIABLE:
+			snprintf(buf, bufsize,
+					 "VARIABLE %s  (ID %d OID %u)",
+					 obj->name, obj->dumpId, obj->catId.oid);
 	}
 	/* shouldn't get here */
 	snprintf(buf, bufsize,
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 049a100634..830cde5421 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -103,6 +103,7 @@ main(int argc, char **argv)
 		{"trigger", 1, NULL, 'T'},
 		{"use-list", 1, NULL, 'L'},
 		{"username", 1, NULL, 'U'},
+		{"variable", 1, NULL, 'A'},
 		{"verbose", 0, NULL, 'v'},
 		{"single-transaction", 0, NULL, '1'},
 
@@ -151,7 +152,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
+	while ((c = getopt_long(argc, argv, "A:acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
 							cmdopts, NULL)) != -1)
 	{
 		switch (c)
@@ -159,6 +160,11 @@ main(int argc, char **argv)
 			case 'a':			/* Dump data only */
 				opts->dataOnly = 1;
 				break;
+			case 'A':			/* vAriable */
+				opts->selTypes = 1;
+				opts->selVariable = 1;
+				simple_string_list_append(&opts->variableNames, optarg);
+				break;
 			case 'c':			/* clean (i.e., drop) schema prior to create */
 				opts->dropSchema = 1;
 				break;
@@ -444,6 +450,7 @@ usage(const char *progname)
 
 	printf(_("\nOptions controlling the restore:\n"));
 	printf(_("  -a, --data-only              restore only the data, no schema\n"));
+	printf(_("  -A, --variable=NAME          restore named session variable\n"));
 	printf(_("  -c, --clean                  clean (drop) database objects before recreating\n"));
 	printf(_("  -C, --create                 create the target database\n"));
 	printf(_("  -e, --exit-on-error          exit on error, default is to continue\n"));
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 2873b662fb..747308c894 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -572,6 +572,16 @@ my %tests = (
 		unlike => { no_privs => 1, },
 	  },
 
+	'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC'
+	  => {
+		create_order => 56,
+		create_sql   => 'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC;',
+		regexp => qr/^
+			\QALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES  TO PUBLIC;\E/xm,
+		like => { %full_runs, section_post_data => 1, },
+		unlike => { no_privs => 1, },
+	  },
+
 	'ALTER ROLE regress_dump_test_role' => {
 		regexp => qr/^
 			\QALTER ROLE regress_dump_test_role WITH \E
@@ -1327,6 +1337,22 @@ my %tests = (
 		unlike => { exclude_dump_test_schema => 1, },
 	},
 
+	'COMMENT ON VARIABLE dump_test.variable1' => {
+		create_order => 71,
+		create_sql   => 'COMMENT ON VARIABLE dump_test.variable1
+					   IS \'comment on variable\';',
+		regexp =>
+		  qr/^\QCOMMENT ON VARIABLE dump_test.variable1 IS 'comment on variable';\E/m,
+		like => {
+			%full_runs,
+			%dump_test_schema_runs,
+			section_pre_data     => 1,
+		},
+		unlike => {
+			exclude_dump_test_schema => 1,
+		},
+	},
+
 	'COPY test_table' => {
 		create_order => 4,
 		create_sql   => 'INSERT INTO dump_test.test_table (col1) '
@@ -3263,6 +3289,30 @@ my %tests = (
 		},
 	},
 
+	'CREATE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
+	'CREATE IMMUTABLE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
 	'CREATE VIEW test_view' => {
 		create_order => 61,
 		create_sql   => 'CREATE VIEW dump_test.test_view
@@ -3702,6 +3752,21 @@ my %tests = (
 		like => {},
 	},
 
+	'GRANT SELECT ON VARIABLE dump_test.variable1' => {
+		create_order => 73,
+		create_sql =>
+		  'GRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;',
+		regexp => qr/^
+			\QGRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;\E
+			/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => {
+			exclude_dump_test_schema => 1,
+			no_privs                 => 1,
+		},
+	},
+
 	'REFRESH MATERIALIZED VIEW matview' => {
 		regexp => qr/^\QREFRESH MATERIALIZED VIEW dump_test.matview;\E/m,
 		like =>
diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list
index 522986a730..8b7e281bcf 100644
--- a/src/tools/pgindent/typedefs.list
+++ b/src/tools/pgindent/typedefs.list
@@ -2913,6 +2913,7 @@ Variable
 VariableAssignHook
 VariableCache
 VariableCacheData
+VariableInfo
 VariableSetKind
 VariableSetStmt
 VariableShowStmt
-- 
2.37.0


--w2in66fnadvggvsb
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename="v20220916-0010-regress-tests-for-session-variables.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH 07/11] possibility to dump session variables by pg_dump
@ 2022-04-04 18:49 [email protected] <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: [email protected] @ 2022-04-04 18:49 UTC (permalink / raw)

Enhancing pg_dump about session variables support
---
 src/bin/pg_dump/common.c             |   3 +-
 src/bin/pg_dump/dumputils.c          |   6 +
 src/bin/pg_dump/pg_backup.h          |   2 +
 src/bin/pg_dump/pg_backup_archiver.c |  12 +-
 src/bin/pg_dump/pg_dump.c            | 237 ++++++++++++++++++++++++++-
 src/bin/pg_dump/pg_dump.h            |  25 ++-
 src/bin/pg_dump/pg_dump_sort.c       |   6 +
 src/bin/pg_dump/pg_restore.c         |   9 +-
 src/bin/pg_dump/t/002_pg_dump.pl     |  65 ++++++++
 9 files changed, 360 insertions(+), 5 deletions(-)

diff --git a/src/bin/pg_dump/common.c b/src/bin/pg_dump/common.c
index 794e6e7ce9..97270e0b06 100644
--- a/src/bin/pg_dump/common.c
+++ b/src/bin/pg_dump/common.c
@@ -263,7 +263,8 @@ getSchemaData(Archive *fout, int *numTablesPtr)
 	pg_log_info("reading subscriptions");
 	getSubscriptions(fout);
 
-	free(inhinfo);				/* not needed any longer */
+	pg_log_info("reading variables");
+	getVariables(fout);
 
 	*numTablesPtr = numTables;
 	return tblinfo;
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index 6e501a5413..dc1f0e1ba8 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -504,6 +504,12 @@ do { \
 		CONVERT_PRIV('r', "SELECT");
 		CONVERT_PRIV('w', "UPDATE");
 	}
+	else if (strcmp(type, "VARIABLE") == 0 ||
+			 strcmp(type, "VARIABLES") == 0)
+	{
+		CONVERT_PRIV('r', "SELECT");
+		CONVERT_PRIV('w', "UPDATE");
+	}
 	else
 		abort();
 
diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index fcc5f6bd05..9d675d669c 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -131,12 +131,14 @@ typedef struct _restoreOptions
 	int			selFunction;
 	int			selTrigger;
 	int			selTable;
+	int			selVariable;
 	SimpleStringList indexNames;
 	SimpleStringList functionNames;
 	SimpleStringList schemaNames;
 	SimpleStringList schemaExcludeNames;
 	SimpleStringList triggerNames;
 	SimpleStringList tableNames;
+	SimpleStringList variableNames;
 
 	int			useDB;
 	ConnParams	cparams;		/* parameters to use if useDB */
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 233198afc0..8d47869ba8 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -2934,6 +2934,14 @@ _tocEntryRequired(TocEntry *te, teSection curSection, ArchiveHandle *AH)
 					!simple_string_list_member(&ropt->triggerNames, te->tag))
 					return 0;
 			}
+			else if (strcmp(te->desc, "VARIABLE") == 0)
+			{
+				if (!ropt->selVariable)
+					return 0;
+				if (ropt->variableNames.head != NULL &&
+					!simple_string_list_member(&ropt->variableNames, te->tag))
+					return 0;
+			}
 			else
 				return 0;
 		}
@@ -3419,6 +3427,7 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te)
 		strcmp(type, "TEXT SEARCH DICTIONARY") == 0 ||
 		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0 ||
 		strcmp(type, "STATISTICS") == 0 ||
+		strcmp(type, "VARIABLE") == 0 ||
 	/* non-schema-specified objects */
 		strcmp(type, "DATABASE") == 0 ||
 		strcmp(type, "PROCEDURAL LANGUAGE") == 0 ||
@@ -3611,7 +3620,8 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, bool isData)
 			strcmp(te->desc, "SERVER") == 0 ||
 			strcmp(te->desc, "STATISTICS") == 0 ||
 			strcmp(te->desc, "PUBLICATION") == 0 ||
-			strcmp(te->desc, "SUBSCRIPTION") == 0)
+			strcmp(te->desc, "SUBSCRIPTION") == 0 ||
+			strcmp(te->desc, "VARIABLE") == 0)
 		{
 			PQExpBuffer temp = createPQExpBuffer();
 
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 67b6d9079e..a60cf1aa87 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -287,6 +287,7 @@ static void dumpPolicy(Archive *fout, const PolicyInfo *polinfo);
 static void dumpPublication(Archive *fout, const PublicationInfo *pubinfo);
 static void dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo);
 static void dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo);
+static void dumpVariable(Archive *fout, const VariableInfo * varinfo);
 static void dumpDatabase(Archive *AH);
 static void dumpDatabaseConfig(Archive *AH, PQExpBuffer outbuf,
 							   const char *dbname, Oid dboid);
@@ -4741,6 +4742,232 @@ get_next_possible_free_pg_type_oid(Archive *fout, PQExpBuffer upgrade_query)
 	return next_possible_free_oid;
 }
 
+/*
+ * getVariables
+ *	  get information about variables
+ */
+void
+getVariables(Archive *fout)
+{
+	PQExpBuffer query;
+	PGresult   *res;
+	VariableInfo *varinfo;
+	int			i_tableoid;
+	int			i_oid;
+	int			i_varname;
+	int			i_varnamespace;
+	int			i_vartype;
+	int			i_vartypname;
+	int			i_vardefexpr;
+	int			i_vareoxaction;
+	int			i_varisnotnull;
+	int			i_varisimmutable;
+	int			i_varowner;
+	int			i_varcollation;
+	int			i_varacl;
+	int			i_acldefault;
+	int			i,
+				ntups;
+
+	if (fout->remoteVersion < 160000)
+		return;
+
+	query = createPQExpBuffer();
+
+	resetPQExpBuffer(query);
+
+	/* Get the variables in current database. */
+	appendPQExpBuffer(query,
+					  "SELECT v.tableoid, v.oid, v.varname,\n"
+					  "v.vareoxaction,\n"
+					  "v.varnamespace,\n"
+					  "v.vartype,\n"
+					  "pg_catalog.format_type(v.vartype, v.vartypmod) as vartypname,\n"
+					  "v.varisnotnull,\n"
+					  "v.varisimmutable,\n"
+					  "CASE WHEN v.varcollation <> t.typcollation "
+					  "THEN v.varcollation ELSE 0 END AS varcollation,\n"
+					  "pg_catalog.pg_get_expr(v.vardefexpr,0) as vardefexpr,\n"
+					  "v.varowner,\n"
+					  "v.varacl,\n"
+					  "acldefault('V', v.varowner) AS acldefault\n"
+					  "FROM pg_catalog.pg_variable v\n"
+					  "JOIN pg_catalog.pg_type t "
+					  "ON (v.vartype = t.oid)");
+
+	res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+	ntups = PQntuples(res);
+
+	i_tableoid = PQfnumber(res, "tableoid");
+	i_oid = PQfnumber(res, "oid");
+	i_varname = PQfnumber(res, "varname");
+	i_varnamespace = PQfnumber(res, "varnamespace");
+	i_vartype = PQfnumber(res, "vartype");
+	i_vartypname = PQfnumber(res, "vartypname");
+	i_vareoxaction = PQfnumber(res, "vareoxaction");
+	i_vardefexpr = PQfnumber(res, "vardefexpr");
+	i_varisnotnull = PQfnumber(res, "varisnotnull");
+	i_varisimmutable = PQfnumber(res, "varisimmutable");
+	i_varcollation = PQfnumber(res, "varcollation");
+
+	i_varowner = PQfnumber(res, "varowner");
+	i_varacl = PQfnumber(res, "varacl");
+	i_acldefault = PQfnumber(res, "acldefault");
+
+	varinfo = pg_malloc(ntups * sizeof(VariableInfo));
+
+	for (i = 0; i < ntups; i++)
+	{
+		TypeInfo   *vtype;
+
+		varinfo[i].dobj.objType = DO_VARIABLE;
+		varinfo[i].dobj.catId.tableoid =
+			atooid(PQgetvalue(res, i, i_tableoid));
+		varinfo[i].dobj.catId.oid = atooid(PQgetvalue(res, i, i_oid));
+		AssignDumpId(&varinfo[i].dobj);
+		varinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_varname));
+		varinfo[i].dobj.namespace =
+			findNamespace(atooid(PQgetvalue(res, i, i_varnamespace)));
+
+		varinfo[i].vartype = atooid(PQgetvalue(res, i, i_vartype));
+		varinfo[i].vartypname = pg_strdup(PQgetvalue(res, i, i_vartypname));
+		varinfo[i].vareoxaction = pg_strdup(PQgetvalue(res, i, i_vareoxaction));
+		varinfo[i].varisnotnull = *(PQgetvalue(res, i, i_varisnotnull)) == 't';
+		varinfo[i].varisimmutable = *(PQgetvalue(res, i, i_varisimmutable)) == 't';
+		varinfo[i].varcollation = atooid(PQgetvalue(res, i, i_varcollation));
+
+		varinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_varacl));
+		varinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+		varinfo[i].dacl.privtype = 0;
+		varinfo[i].dacl.initprivs = NULL;
+		varinfo[i].rolname = getRoleName(PQgetvalue(res, i, i_varowner));
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		/* Do not try to dump ACL if no ACL exists. */
+		if (!PQgetisnull(res, i, i_varacl))
+			varinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
+		if (PQgetisnull(res, i, i_vardefexpr))
+			varinfo[i].vardefexpr = NULL;
+		else
+			varinfo[i].vardefexpr = pg_strdup(PQgetvalue(res, i, i_vardefexpr));
+
+		if (strlen(varinfo[i].rolname) == 0)
+			pg_log_warning("owner of variable \"%s\" appears to be invalid",
+						   varinfo[i].dobj.name);
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		vtype = findTypeByOid(varinfo[i].vartype);
+		addObjectDependency(&varinfo[i].dobj, vtype->dobj.dumpId);
+	}
+	PQclear(res);
+
+	destroyPQExpBuffer(query);
+}
+
+/*
+ * dumpVariable
+ *	  dump the definition of the given variables
+ */
+static void
+dumpVariable(Archive *fout, const VariableInfo * varinfo)
+{
+	DumpOptions *dopt = fout->dopt;
+
+	PQExpBuffer delq;
+	PQExpBuffer query;
+	char *qualvarname;
+	const char *vartypname;
+	const char *vardefexpr;
+	const char *vareoxaction;
+	const char *varisimmutable;
+	Oid			varcollation;
+	bool		varisnotnull;
+
+	/* Skip if not to be dumped */
+	if (!varinfo->dobj.dump || dopt->dataOnly)
+		return;
+
+	delq = createPQExpBuffer();
+	query = createPQExpBuffer();
+
+	qualvarname = pg_strdup(fmtQualifiedDumpable(varinfo));
+	vartypname = varinfo->vartypname;
+	vardefexpr = varinfo->vardefexpr;
+	vareoxaction = varinfo->vareoxaction;
+	varisnotnull = varinfo->varisnotnull;
+	varisimmutable = varinfo->varisimmutable ? "IMMUTABLE " : "";
+	varcollation = varinfo->varcollation;
+
+	appendPQExpBuffer(delq, "DROP VARIABLE %s;\n",
+					  qualvarname);
+
+	appendPQExpBuffer(query, "CREATE %sVARIABLE %s AS %s",
+					  varisimmutable, qualvarname, vartypname);
+
+	if (OidIsValid(varcollation))
+	{
+		CollInfo   *coll;
+
+		coll = findCollationByOid(varcollation);
+		if (coll)
+			appendPQExpBuffer(query, " COLLATE %s",
+							  fmtQualifiedDumpable(coll));
+	}
+
+	if (varisnotnull)
+		appendPQExpBuffer(query, " NOT NULL");
+
+	if (vardefexpr)
+		appendPQExpBuffer(query, " DEFAULT %s",
+						  vardefexpr);
+
+	if (strcmp(vareoxaction, "d") == 0)
+		appendPQExpBuffer(query, " ON COMMIT DROP");
+	else if (strcmp(vareoxaction, "r") == 0)
+		appendPQExpBuffer(query, " ON TRANSACTION END RESET");
+
+	appendPQExpBuffer(query, ";\n");
+
+	if (varinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+		ArchiveEntry(fout, varinfo->dobj.catId, varinfo->dobj.dumpId,
+					 ARCHIVE_OPTS(.tag = varinfo->dobj.name,
+								  .namespace = varinfo->dobj.namespace->dobj.name,
+								  .owner = varinfo->rolname,
+								  .description = "VARIABLE",
+								  .section = SECTION_PRE_DATA,
+								  .createStmt = query->data,
+								  .dropStmt = delq->data));
+
+	/* Dump comment if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
+		dumpComment(fout, "VARIABLE", qualvarname,
+					NULL, varinfo->rolname,
+					varinfo->dobj.catId, 0, varinfo->dobj.dumpId);
+
+	/* Dump ACL if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_ACL)
+	{
+		char *qvarname = pg_strdup(fmtId(varinfo->dobj.name));
+
+		dumpACL(fout, varinfo->dobj.dumpId, InvalidDumpId, "VARIABLE",
+				qvarname, NULL,
+				varinfo->dobj.namespace->dobj.name, varinfo->rolname, &varinfo->dacl);
+
+		free(qvarname);
+	}
+
+	destroyPQExpBuffer(delq);
+	destroyPQExpBuffer(query);
+
+	free(qualvarname);
+}
+
 static void
 binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
 										 PQExpBuffer upgrade_buffer,
@@ -9395,7 +9622,8 @@ getAdditionalACLs(Archive *fout)
 					dobj->objType == DO_TABLE ||
 					dobj->objType == DO_PROCLANG ||
 					dobj->objType == DO_FDW ||
-					dobj->objType == DO_FOREIGN_SERVER)
+					dobj->objType == DO_FOREIGN_SERVER ||
+					dobj->objType == DO_VARIABLE)
 				{
 					DumpableObjectWithAcl *daobj = (DumpableObjectWithAcl *) dobj;
 
@@ -9985,6 +10213,9 @@ dumpDumpableObject(Archive *fout, DumpableObject *dobj)
 		case DO_SUBSCRIPTION:
 			dumpSubscription(fout, (const SubscriptionInfo *) dobj);
 			break;
+		case DO_VARIABLE:
+			dumpVariable(fout, (VariableInfo *) dobj);
+			break;
 		case DO_PRE_DATA_BOUNDARY:
 		case DO_POST_DATA_BOUNDARY:
 			/* never dumped, nothing to do */
@@ -14361,6 +14592,9 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
 		case DEFACLOBJ_NAMESPACE:
 			type = "SCHEMAS";
 			break;
+		case DEFACLOBJ_VARIABLE:
+			type = "VARIABLES";
+			break;
 		default:
 			/* shouldn't get here */
 			pg_fatal("unrecognized object type in default privileges: %d",
@@ -17902,6 +18136,7 @@ addBoundaryDependencies(DumpableObject **dobjs, int numObjs,
 			case DO_CONVERSION:
 			case DO_TABLE:
 			case DO_TABLE_ATTACH:
+			case DO_VARIABLE:
 			case DO_ATTRDEF:
 			case DO_PROCLANG:
 			case DO_CAST:
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 69ee939d44..8d719bd35e 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -52,6 +52,7 @@ typedef enum
 	DO_TABLE,
 	DO_TABLE_ATTACH,
 	DO_ATTRDEF,
+	DO_VARIABLE,
 	DO_INDEX,
 	DO_INDEX_ATTACH,
 	DO_STATSEXT,
@@ -82,7 +83,7 @@ typedef enum
 	DO_PUBLICATION,
 	DO_PUBLICATION_REL,
 	DO_PUBLICATION_TABLE_IN_SCHEMA,
-	DO_SUBSCRIPTION
+	DO_SUBSCRIPTION,
 } DumpableObjectType;
 
 /*
@@ -664,6 +665,27 @@ typedef struct _SubscriptionInfo
 	char	   *subpublications;
 } SubscriptionInfo;
 
+/*
+ * The VariableInfo struct is used to represent session variables
+ */
+typedef struct _VariableInfo
+{
+	DumpableObject dobj;
+	DumpableAcl dacl;
+	Oid			vartype;
+	char	   *vartypname;
+	char	   *vareoxaction;
+	char	   *vardefexpr;
+	char	   *varacl;
+	char	   *rvaracl;
+	char	   *initvaracl;
+	char	   *initrvaracl;
+	bool		varisnotnull;
+	bool		varisimmutable;
+	Oid			varcollation;
+	const char *rolname;		/* name of owner, or empty string */
+}			VariableInfo;
+
 /*
  *	common utility functions
  */
@@ -746,5 +768,6 @@ extern void getPublicationNamespaces(Archive *fout);
 extern void getPublicationTables(Archive *fout, TableInfo tblinfo[],
 								 int numTables);
 extern void getSubscriptions(Archive *fout);
+extern void getVariables(Archive *fout);
 
 #endif							/* PG_DUMP_H */
diff --git a/src/bin/pg_dump/pg_dump_sort.c b/src/bin/pg_dump/pg_dump_sort.c
index 5de3241eb4..1a660b8a9f 100644
--- a/src/bin/pg_dump/pg_dump_sort.c
+++ b/src/bin/pg_dump/pg_dump_sort.c
@@ -75,6 +75,7 @@ enum dbObjectTypePriorities
 	PRIO_TABLE_ATTACH,
 	PRIO_DUMMY_TYPE,
 	PRIO_ATTRDEF,
+	PRIO_VARIABLE,
 	PRIO_BLOB,
 	PRIO_PRE_DATA_BOUNDARY,		/* boundary! */
 	PRIO_TABLE_DATA,
@@ -116,6 +117,7 @@ static const int dbObjectTypePriority[] =
 	PRIO_TABLE,					/* DO_TABLE */
 	PRIO_TABLE_ATTACH,			/* DO_TABLE_ATTACH */
 	PRIO_ATTRDEF,				/* DO_ATTRDEF */
+	PRIO_VARIABLE,				/* DO_VARIABLE */
 	PRIO_INDEX,					/* DO_INDEX */
 	PRIO_INDEX_ATTACH,			/* DO_INDEX_ATTACH */
 	PRIO_STATSEXT,				/* DO_STATSEXT */
@@ -1508,6 +1510,10 @@ describeDumpableObject(DumpableObject *obj, char *buf, int bufsize)
 					 "POST-DATA BOUNDARY  (ID %d)",
 					 obj->dumpId);
 			return;
+		case DO_VARIABLE:
+			snprintf(buf, bufsize,
+					 "VARIABLE %s  (ID %d OID %u)",
+					 obj->name, obj->dumpId, obj->catId.oid);
 	}
 	/* shouldn't get here */
 	snprintf(buf, bufsize,
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 049a100634..830cde5421 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -103,6 +103,7 @@ main(int argc, char **argv)
 		{"trigger", 1, NULL, 'T'},
 		{"use-list", 1, NULL, 'L'},
 		{"username", 1, NULL, 'U'},
+		{"variable", 1, NULL, 'A'},
 		{"verbose", 0, NULL, 'v'},
 		{"single-transaction", 0, NULL, '1'},
 
@@ -151,7 +152,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
+	while ((c = getopt_long(argc, argv, "A:acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
 							cmdopts, NULL)) != -1)
 	{
 		switch (c)
@@ -159,6 +160,11 @@ main(int argc, char **argv)
 			case 'a':			/* Dump data only */
 				opts->dataOnly = 1;
 				break;
+			case 'A':			/* vAriable */
+				opts->selTypes = 1;
+				opts->selVariable = 1;
+				simple_string_list_append(&opts->variableNames, optarg);
+				break;
 			case 'c':			/* clean (i.e., drop) schema prior to create */
 				opts->dropSchema = 1;
 				break;
@@ -444,6 +450,7 @@ usage(const char *progname)
 
 	printf(_("\nOptions controlling the restore:\n"));
 	printf(_("  -a, --data-only              restore only the data, no schema\n"));
+	printf(_("  -A, --variable=NAME          restore named session variable\n"));
 	printf(_("  -c, --clean                  clean (drop) database objects before recreating\n"));
 	printf(_("  -C, --create                 create the target database\n"));
 	printf(_("  -e, --exit-on-error          exit on error, default is to continue\n"));
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 2873b662fb..747308c894 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -572,6 +572,16 @@ my %tests = (
 		unlike => { no_privs => 1, },
 	  },
 
+	'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC'
+	  => {
+		create_order => 56,
+		create_sql   => 'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC;',
+		regexp => qr/^
+			\QALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES  TO PUBLIC;\E/xm,
+		like => { %full_runs, section_post_data => 1, },
+		unlike => { no_privs => 1, },
+	  },
+
 	'ALTER ROLE regress_dump_test_role' => {
 		regexp => qr/^
 			\QALTER ROLE regress_dump_test_role WITH \E
@@ -1327,6 +1337,22 @@ my %tests = (
 		unlike => { exclude_dump_test_schema => 1, },
 	},
 
+	'COMMENT ON VARIABLE dump_test.variable1' => {
+		create_order => 71,
+		create_sql   => 'COMMENT ON VARIABLE dump_test.variable1
+					   IS \'comment on variable\';',
+		regexp =>
+		  qr/^\QCOMMENT ON VARIABLE dump_test.variable1 IS 'comment on variable';\E/m,
+		like => {
+			%full_runs,
+			%dump_test_schema_runs,
+			section_pre_data     => 1,
+		},
+		unlike => {
+			exclude_dump_test_schema => 1,
+		},
+	},
+
 	'COPY test_table' => {
 		create_order => 4,
 		create_sql   => 'INSERT INTO dump_test.test_table (col1) '
@@ -3263,6 +3289,30 @@ my %tests = (
 		},
 	},
 
+	'CREATE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
+	'CREATE IMMUTABLE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
 	'CREATE VIEW test_view' => {
 		create_order => 61,
 		create_sql   => 'CREATE VIEW dump_test.test_view
@@ -3702,6 +3752,21 @@ my %tests = (
 		like => {},
 	},
 
+	'GRANT SELECT ON VARIABLE dump_test.variable1' => {
+		create_order => 73,
+		create_sql =>
+		  'GRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;',
+		regexp => qr/^
+			\QGRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;\E
+			/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => {
+			exclude_dump_test_schema => 1,
+			no_privs                 => 1,
+		},
+	},
+
 	'REFRESH MATERIALIZED VIEW matview' => {
 		regexp => qr/^\QREFRESH MATERIALIZED VIEW dump_test.matview;\E/m,
 		like =>
-- 
2.37.2


--gcms4zhgklsgym3k
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="v20220906-1-0008-typedefs.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH 07/11] possibility to dump session variables by pg_dump
@ 2022-04-04 18:49 [email protected] <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: [email protected] @ 2022-04-04 18:49 UTC (permalink / raw)

Enhancing pg_dump about session variables support
---
 src/bin/pg_dump/common.c             |   3 +-
 src/bin/pg_dump/dumputils.c          |   6 +
 src/bin/pg_dump/pg_backup.h          |   2 +
 src/bin/pg_dump/pg_backup_archiver.c |  12 +-
 src/bin/pg_dump/pg_dump.c            | 237 ++++++++++++++++++++++++++-
 src/bin/pg_dump/pg_dump.h            |  25 ++-
 src/bin/pg_dump/pg_dump_sort.c       |   6 +
 src/bin/pg_dump/pg_restore.c         |   9 +-
 src/bin/pg_dump/t/002_pg_dump.pl     |  65 ++++++++
 9 files changed, 360 insertions(+), 5 deletions(-)

diff --git a/src/bin/pg_dump/common.c b/src/bin/pg_dump/common.c
index 794e6e7ce9..97270e0b06 100644
--- a/src/bin/pg_dump/common.c
+++ b/src/bin/pg_dump/common.c
@@ -263,7 +263,8 @@ getSchemaData(Archive *fout, int *numTablesPtr)
 	pg_log_info("reading subscriptions");
 	getSubscriptions(fout);
 
-	free(inhinfo);				/* not needed any longer */
+	pg_log_info("reading variables");
+	getVariables(fout);
 
 	*numTablesPtr = numTables;
 	return tblinfo;
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index 6e501a5413..dc1f0e1ba8 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -504,6 +504,12 @@ do { \
 		CONVERT_PRIV('r', "SELECT");
 		CONVERT_PRIV('w', "UPDATE");
 	}
+	else if (strcmp(type, "VARIABLE") == 0 ||
+			 strcmp(type, "VARIABLES") == 0)
+	{
+		CONVERT_PRIV('r', "SELECT");
+		CONVERT_PRIV('w', "UPDATE");
+	}
 	else
 		abort();
 
diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index fcc5f6bd05..9d675d669c 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -131,12 +131,14 @@ typedef struct _restoreOptions
 	int			selFunction;
 	int			selTrigger;
 	int			selTable;
+	int			selVariable;
 	SimpleStringList indexNames;
 	SimpleStringList functionNames;
 	SimpleStringList schemaNames;
 	SimpleStringList schemaExcludeNames;
 	SimpleStringList triggerNames;
 	SimpleStringList tableNames;
+	SimpleStringList variableNames;
 
 	int			useDB;
 	ConnParams	cparams;		/* parameters to use if useDB */
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 233198afc0..8d47869ba8 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -2934,6 +2934,14 @@ _tocEntryRequired(TocEntry *te, teSection curSection, ArchiveHandle *AH)
 					!simple_string_list_member(&ropt->triggerNames, te->tag))
 					return 0;
 			}
+			else if (strcmp(te->desc, "VARIABLE") == 0)
+			{
+				if (!ropt->selVariable)
+					return 0;
+				if (ropt->variableNames.head != NULL &&
+					!simple_string_list_member(&ropt->variableNames, te->tag))
+					return 0;
+			}
 			else
 				return 0;
 		}
@@ -3419,6 +3427,7 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te)
 		strcmp(type, "TEXT SEARCH DICTIONARY") == 0 ||
 		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0 ||
 		strcmp(type, "STATISTICS") == 0 ||
+		strcmp(type, "VARIABLE") == 0 ||
 	/* non-schema-specified objects */
 		strcmp(type, "DATABASE") == 0 ||
 		strcmp(type, "PROCEDURAL LANGUAGE") == 0 ||
@@ -3611,7 +3620,8 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, bool isData)
 			strcmp(te->desc, "SERVER") == 0 ||
 			strcmp(te->desc, "STATISTICS") == 0 ||
 			strcmp(te->desc, "PUBLICATION") == 0 ||
-			strcmp(te->desc, "SUBSCRIPTION") == 0)
+			strcmp(te->desc, "SUBSCRIPTION") == 0 ||
+			strcmp(te->desc, "VARIABLE") == 0)
 		{
 			PQExpBuffer temp = createPQExpBuffer();
 
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 67b6d9079e..a60cf1aa87 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -287,6 +287,7 @@ static void dumpPolicy(Archive *fout, const PolicyInfo *polinfo);
 static void dumpPublication(Archive *fout, const PublicationInfo *pubinfo);
 static void dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo);
 static void dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo);
+static void dumpVariable(Archive *fout, const VariableInfo * varinfo);
 static void dumpDatabase(Archive *AH);
 static void dumpDatabaseConfig(Archive *AH, PQExpBuffer outbuf,
 							   const char *dbname, Oid dboid);
@@ -4741,6 +4742,232 @@ get_next_possible_free_pg_type_oid(Archive *fout, PQExpBuffer upgrade_query)
 	return next_possible_free_oid;
 }
 
+/*
+ * getVariables
+ *	  get information about variables
+ */
+void
+getVariables(Archive *fout)
+{
+	PQExpBuffer query;
+	PGresult   *res;
+	VariableInfo *varinfo;
+	int			i_tableoid;
+	int			i_oid;
+	int			i_varname;
+	int			i_varnamespace;
+	int			i_vartype;
+	int			i_vartypname;
+	int			i_vardefexpr;
+	int			i_vareoxaction;
+	int			i_varisnotnull;
+	int			i_varisimmutable;
+	int			i_varowner;
+	int			i_varcollation;
+	int			i_varacl;
+	int			i_acldefault;
+	int			i,
+				ntups;
+
+	if (fout->remoteVersion < 160000)
+		return;
+
+	query = createPQExpBuffer();
+
+	resetPQExpBuffer(query);
+
+	/* Get the variables in current database. */
+	appendPQExpBuffer(query,
+					  "SELECT v.tableoid, v.oid, v.varname,\n"
+					  "v.vareoxaction,\n"
+					  "v.varnamespace,\n"
+					  "v.vartype,\n"
+					  "pg_catalog.format_type(v.vartype, v.vartypmod) as vartypname,\n"
+					  "v.varisnotnull,\n"
+					  "v.varisimmutable,\n"
+					  "CASE WHEN v.varcollation <> t.typcollation "
+					  "THEN v.varcollation ELSE 0 END AS varcollation,\n"
+					  "pg_catalog.pg_get_expr(v.vardefexpr,0) as vardefexpr,\n"
+					  "v.varowner,\n"
+					  "v.varacl,\n"
+					  "acldefault('V', v.varowner) AS acldefault\n"
+					  "FROM pg_catalog.pg_variable v\n"
+					  "JOIN pg_catalog.pg_type t "
+					  "ON (v.vartype = t.oid)");
+
+	res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+	ntups = PQntuples(res);
+
+	i_tableoid = PQfnumber(res, "tableoid");
+	i_oid = PQfnumber(res, "oid");
+	i_varname = PQfnumber(res, "varname");
+	i_varnamespace = PQfnumber(res, "varnamespace");
+	i_vartype = PQfnumber(res, "vartype");
+	i_vartypname = PQfnumber(res, "vartypname");
+	i_vareoxaction = PQfnumber(res, "vareoxaction");
+	i_vardefexpr = PQfnumber(res, "vardefexpr");
+	i_varisnotnull = PQfnumber(res, "varisnotnull");
+	i_varisimmutable = PQfnumber(res, "varisimmutable");
+	i_varcollation = PQfnumber(res, "varcollation");
+
+	i_varowner = PQfnumber(res, "varowner");
+	i_varacl = PQfnumber(res, "varacl");
+	i_acldefault = PQfnumber(res, "acldefault");
+
+	varinfo = pg_malloc(ntups * sizeof(VariableInfo));
+
+	for (i = 0; i < ntups; i++)
+	{
+		TypeInfo   *vtype;
+
+		varinfo[i].dobj.objType = DO_VARIABLE;
+		varinfo[i].dobj.catId.tableoid =
+			atooid(PQgetvalue(res, i, i_tableoid));
+		varinfo[i].dobj.catId.oid = atooid(PQgetvalue(res, i, i_oid));
+		AssignDumpId(&varinfo[i].dobj);
+		varinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_varname));
+		varinfo[i].dobj.namespace =
+			findNamespace(atooid(PQgetvalue(res, i, i_varnamespace)));
+
+		varinfo[i].vartype = atooid(PQgetvalue(res, i, i_vartype));
+		varinfo[i].vartypname = pg_strdup(PQgetvalue(res, i, i_vartypname));
+		varinfo[i].vareoxaction = pg_strdup(PQgetvalue(res, i, i_vareoxaction));
+		varinfo[i].varisnotnull = *(PQgetvalue(res, i, i_varisnotnull)) == 't';
+		varinfo[i].varisimmutable = *(PQgetvalue(res, i, i_varisimmutable)) == 't';
+		varinfo[i].varcollation = atooid(PQgetvalue(res, i, i_varcollation));
+
+		varinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_varacl));
+		varinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+		varinfo[i].dacl.privtype = 0;
+		varinfo[i].dacl.initprivs = NULL;
+		varinfo[i].rolname = getRoleName(PQgetvalue(res, i, i_varowner));
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		/* Do not try to dump ACL if no ACL exists. */
+		if (!PQgetisnull(res, i, i_varacl))
+			varinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
+		if (PQgetisnull(res, i, i_vardefexpr))
+			varinfo[i].vardefexpr = NULL;
+		else
+			varinfo[i].vardefexpr = pg_strdup(PQgetvalue(res, i, i_vardefexpr));
+
+		if (strlen(varinfo[i].rolname) == 0)
+			pg_log_warning("owner of variable \"%s\" appears to be invalid",
+						   varinfo[i].dobj.name);
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		vtype = findTypeByOid(varinfo[i].vartype);
+		addObjectDependency(&varinfo[i].dobj, vtype->dobj.dumpId);
+	}
+	PQclear(res);
+
+	destroyPQExpBuffer(query);
+}
+
+/*
+ * dumpVariable
+ *	  dump the definition of the given variables
+ */
+static void
+dumpVariable(Archive *fout, const VariableInfo * varinfo)
+{
+	DumpOptions *dopt = fout->dopt;
+
+	PQExpBuffer delq;
+	PQExpBuffer query;
+	char *qualvarname;
+	const char *vartypname;
+	const char *vardefexpr;
+	const char *vareoxaction;
+	const char *varisimmutable;
+	Oid			varcollation;
+	bool		varisnotnull;
+
+	/* Skip if not to be dumped */
+	if (!varinfo->dobj.dump || dopt->dataOnly)
+		return;
+
+	delq = createPQExpBuffer();
+	query = createPQExpBuffer();
+
+	qualvarname = pg_strdup(fmtQualifiedDumpable(varinfo));
+	vartypname = varinfo->vartypname;
+	vardefexpr = varinfo->vardefexpr;
+	vareoxaction = varinfo->vareoxaction;
+	varisnotnull = varinfo->varisnotnull;
+	varisimmutable = varinfo->varisimmutable ? "IMMUTABLE " : "";
+	varcollation = varinfo->varcollation;
+
+	appendPQExpBuffer(delq, "DROP VARIABLE %s;\n",
+					  qualvarname);
+
+	appendPQExpBuffer(query, "CREATE %sVARIABLE %s AS %s",
+					  varisimmutable, qualvarname, vartypname);
+
+	if (OidIsValid(varcollation))
+	{
+		CollInfo   *coll;
+
+		coll = findCollationByOid(varcollation);
+		if (coll)
+			appendPQExpBuffer(query, " COLLATE %s",
+							  fmtQualifiedDumpable(coll));
+	}
+
+	if (varisnotnull)
+		appendPQExpBuffer(query, " NOT NULL");
+
+	if (vardefexpr)
+		appendPQExpBuffer(query, " DEFAULT %s",
+						  vardefexpr);
+
+	if (strcmp(vareoxaction, "d") == 0)
+		appendPQExpBuffer(query, " ON COMMIT DROP");
+	else if (strcmp(vareoxaction, "r") == 0)
+		appendPQExpBuffer(query, " ON TRANSACTION END RESET");
+
+	appendPQExpBuffer(query, ";\n");
+
+	if (varinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+		ArchiveEntry(fout, varinfo->dobj.catId, varinfo->dobj.dumpId,
+					 ARCHIVE_OPTS(.tag = varinfo->dobj.name,
+								  .namespace = varinfo->dobj.namespace->dobj.name,
+								  .owner = varinfo->rolname,
+								  .description = "VARIABLE",
+								  .section = SECTION_PRE_DATA,
+								  .createStmt = query->data,
+								  .dropStmt = delq->data));
+
+	/* Dump comment if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
+		dumpComment(fout, "VARIABLE", qualvarname,
+					NULL, varinfo->rolname,
+					varinfo->dobj.catId, 0, varinfo->dobj.dumpId);
+
+	/* Dump ACL if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_ACL)
+	{
+		char *qvarname = pg_strdup(fmtId(varinfo->dobj.name));
+
+		dumpACL(fout, varinfo->dobj.dumpId, InvalidDumpId, "VARIABLE",
+				qvarname, NULL,
+				varinfo->dobj.namespace->dobj.name, varinfo->rolname, &varinfo->dacl);
+
+		free(qvarname);
+	}
+
+	destroyPQExpBuffer(delq);
+	destroyPQExpBuffer(query);
+
+	free(qualvarname);
+}
+
 static void
 binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
 										 PQExpBuffer upgrade_buffer,
@@ -9395,7 +9622,8 @@ getAdditionalACLs(Archive *fout)
 					dobj->objType == DO_TABLE ||
 					dobj->objType == DO_PROCLANG ||
 					dobj->objType == DO_FDW ||
-					dobj->objType == DO_FOREIGN_SERVER)
+					dobj->objType == DO_FOREIGN_SERVER ||
+					dobj->objType == DO_VARIABLE)
 				{
 					DumpableObjectWithAcl *daobj = (DumpableObjectWithAcl *) dobj;
 
@@ -9985,6 +10213,9 @@ dumpDumpableObject(Archive *fout, DumpableObject *dobj)
 		case DO_SUBSCRIPTION:
 			dumpSubscription(fout, (const SubscriptionInfo *) dobj);
 			break;
+		case DO_VARIABLE:
+			dumpVariable(fout, (VariableInfo *) dobj);
+			break;
 		case DO_PRE_DATA_BOUNDARY:
 		case DO_POST_DATA_BOUNDARY:
 			/* never dumped, nothing to do */
@@ -14361,6 +14592,9 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
 		case DEFACLOBJ_NAMESPACE:
 			type = "SCHEMAS";
 			break;
+		case DEFACLOBJ_VARIABLE:
+			type = "VARIABLES";
+			break;
 		default:
 			/* shouldn't get here */
 			pg_fatal("unrecognized object type in default privileges: %d",
@@ -17902,6 +18136,7 @@ addBoundaryDependencies(DumpableObject **dobjs, int numObjs,
 			case DO_CONVERSION:
 			case DO_TABLE:
 			case DO_TABLE_ATTACH:
+			case DO_VARIABLE:
 			case DO_ATTRDEF:
 			case DO_PROCLANG:
 			case DO_CAST:
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 69ee939d44..8d719bd35e 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -52,6 +52,7 @@ typedef enum
 	DO_TABLE,
 	DO_TABLE_ATTACH,
 	DO_ATTRDEF,
+	DO_VARIABLE,
 	DO_INDEX,
 	DO_INDEX_ATTACH,
 	DO_STATSEXT,
@@ -82,7 +83,7 @@ typedef enum
 	DO_PUBLICATION,
 	DO_PUBLICATION_REL,
 	DO_PUBLICATION_TABLE_IN_SCHEMA,
-	DO_SUBSCRIPTION
+	DO_SUBSCRIPTION,
 } DumpableObjectType;
 
 /*
@@ -664,6 +665,27 @@ typedef struct _SubscriptionInfo
 	char	   *subpublications;
 } SubscriptionInfo;
 
+/*
+ * The VariableInfo struct is used to represent session variables
+ */
+typedef struct _VariableInfo
+{
+	DumpableObject dobj;
+	DumpableAcl dacl;
+	Oid			vartype;
+	char	   *vartypname;
+	char	   *vareoxaction;
+	char	   *vardefexpr;
+	char	   *varacl;
+	char	   *rvaracl;
+	char	   *initvaracl;
+	char	   *initrvaracl;
+	bool		varisnotnull;
+	bool		varisimmutable;
+	Oid			varcollation;
+	const char *rolname;		/* name of owner, or empty string */
+}			VariableInfo;
+
 /*
  *	common utility functions
  */
@@ -746,5 +768,6 @@ extern void getPublicationNamespaces(Archive *fout);
 extern void getPublicationTables(Archive *fout, TableInfo tblinfo[],
 								 int numTables);
 extern void getSubscriptions(Archive *fout);
+extern void getVariables(Archive *fout);
 
 #endif							/* PG_DUMP_H */
diff --git a/src/bin/pg_dump/pg_dump_sort.c b/src/bin/pg_dump/pg_dump_sort.c
index 5de3241eb4..1a660b8a9f 100644
--- a/src/bin/pg_dump/pg_dump_sort.c
+++ b/src/bin/pg_dump/pg_dump_sort.c
@@ -75,6 +75,7 @@ enum dbObjectTypePriorities
 	PRIO_TABLE_ATTACH,
 	PRIO_DUMMY_TYPE,
 	PRIO_ATTRDEF,
+	PRIO_VARIABLE,
 	PRIO_BLOB,
 	PRIO_PRE_DATA_BOUNDARY,		/* boundary! */
 	PRIO_TABLE_DATA,
@@ -116,6 +117,7 @@ static const int dbObjectTypePriority[] =
 	PRIO_TABLE,					/* DO_TABLE */
 	PRIO_TABLE_ATTACH,			/* DO_TABLE_ATTACH */
 	PRIO_ATTRDEF,				/* DO_ATTRDEF */
+	PRIO_VARIABLE,				/* DO_VARIABLE */
 	PRIO_INDEX,					/* DO_INDEX */
 	PRIO_INDEX_ATTACH,			/* DO_INDEX_ATTACH */
 	PRIO_STATSEXT,				/* DO_STATSEXT */
@@ -1508,6 +1510,10 @@ describeDumpableObject(DumpableObject *obj, char *buf, int bufsize)
 					 "POST-DATA BOUNDARY  (ID %d)",
 					 obj->dumpId);
 			return;
+		case DO_VARIABLE:
+			snprintf(buf, bufsize,
+					 "VARIABLE %s  (ID %d OID %u)",
+					 obj->name, obj->dumpId, obj->catId.oid);
 	}
 	/* shouldn't get here */
 	snprintf(buf, bufsize,
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 049a100634..830cde5421 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -103,6 +103,7 @@ main(int argc, char **argv)
 		{"trigger", 1, NULL, 'T'},
 		{"use-list", 1, NULL, 'L'},
 		{"username", 1, NULL, 'U'},
+		{"variable", 1, NULL, 'A'},
 		{"verbose", 0, NULL, 'v'},
 		{"single-transaction", 0, NULL, '1'},
 
@@ -151,7 +152,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
+	while ((c = getopt_long(argc, argv, "A:acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
 							cmdopts, NULL)) != -1)
 	{
 		switch (c)
@@ -159,6 +160,11 @@ main(int argc, char **argv)
 			case 'a':			/* Dump data only */
 				opts->dataOnly = 1;
 				break;
+			case 'A':			/* vAriable */
+				opts->selTypes = 1;
+				opts->selVariable = 1;
+				simple_string_list_append(&opts->variableNames, optarg);
+				break;
 			case 'c':			/* clean (i.e., drop) schema prior to create */
 				opts->dropSchema = 1;
 				break;
@@ -444,6 +450,7 @@ usage(const char *progname)
 
 	printf(_("\nOptions controlling the restore:\n"));
 	printf(_("  -a, --data-only              restore only the data, no schema\n"));
+	printf(_("  -A, --variable=NAME          restore named session variable\n"));
 	printf(_("  -c, --clean                  clean (drop) database objects before recreating\n"));
 	printf(_("  -C, --create                 create the target database\n"));
 	printf(_("  -e, --exit-on-error          exit on error, default is to continue\n"));
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 2873b662fb..747308c894 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -572,6 +572,16 @@ my %tests = (
 		unlike => { no_privs => 1, },
 	  },
 
+	'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC'
+	  => {
+		create_order => 56,
+		create_sql   => 'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC;',
+		regexp => qr/^
+			\QALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES  TO PUBLIC;\E/xm,
+		like => { %full_runs, section_post_data => 1, },
+		unlike => { no_privs => 1, },
+	  },
+
 	'ALTER ROLE regress_dump_test_role' => {
 		regexp => qr/^
 			\QALTER ROLE regress_dump_test_role WITH \E
@@ -1327,6 +1337,22 @@ my %tests = (
 		unlike => { exclude_dump_test_schema => 1, },
 	},
 
+	'COMMENT ON VARIABLE dump_test.variable1' => {
+		create_order => 71,
+		create_sql   => 'COMMENT ON VARIABLE dump_test.variable1
+					   IS \'comment on variable\';',
+		regexp =>
+		  qr/^\QCOMMENT ON VARIABLE dump_test.variable1 IS 'comment on variable';\E/m,
+		like => {
+			%full_runs,
+			%dump_test_schema_runs,
+			section_pre_data     => 1,
+		},
+		unlike => {
+			exclude_dump_test_schema => 1,
+		},
+	},
+
 	'COPY test_table' => {
 		create_order => 4,
 		create_sql   => 'INSERT INTO dump_test.test_table (col1) '
@@ -3263,6 +3289,30 @@ my %tests = (
 		},
 	},
 
+	'CREATE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
+	'CREATE IMMUTABLE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
 	'CREATE VIEW test_view' => {
 		create_order => 61,
 		create_sql   => 'CREATE VIEW dump_test.test_view
@@ -3702,6 +3752,21 @@ my %tests = (
 		like => {},
 	},
 
+	'GRANT SELECT ON VARIABLE dump_test.variable1' => {
+		create_order => 73,
+		create_sql =>
+		  'GRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;',
+		regexp => qr/^
+			\QGRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;\E
+			/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => {
+			exclude_dump_test_schema => 1,
+			no_privs                 => 1,
+		},
+	},
+
 	'REFRESH MATERIALIZED VIEW matview' => {
 		regexp => qr/^\QREFRESH MATERIALIZED VIEW dump_test.matview;\E/m,
 		like =>
-- 
2.37.2


--gcms4zhgklsgym3k
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="v20220906-1-0008-typedefs.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v20220922 09/13] possibility to dump session variables by pg_dump
@ 2022-04-04 18:49 [email protected] <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: [email protected] @ 2022-04-04 18:49 UTC (permalink / raw)

Enhancing pg_dump about session variables support
---
 src/bin/pg_dump/common.c             |   3 +-
 src/bin/pg_dump/dumputils.c          |   6 +
 src/bin/pg_dump/pg_backup.h          |   2 +
 src/bin/pg_dump/pg_backup_archiver.c |  12 +-
 src/bin/pg_dump/pg_dump.c            | 237 ++++++++++++++++++++++++++-
 src/bin/pg_dump/pg_dump.h            |  25 ++-
 src/bin/pg_dump/pg_dump_sort.c       |   6 +
 src/bin/pg_dump/pg_restore.c         |   9 +-
 src/bin/pg_dump/t/002_pg_dump.pl     |  65 ++++++++
 src/tools/pgindent/typedefs.list     |   1 +
 10 files changed, 361 insertions(+), 5 deletions(-)

diff --git a/src/bin/pg_dump/common.c b/src/bin/pg_dump/common.c
index 395f817fa8..6f10488c34 100644
--- a/src/bin/pg_dump/common.c
+++ b/src/bin/pg_dump/common.c
@@ -263,7 +263,8 @@ getSchemaData(Archive *fout, int *numTablesPtr)
 	pg_log_info("reading subscriptions");
 	getSubscriptions(fout);
 
-	free(inhinfo);				/* not needed any longer */
+	pg_log_info("reading variables");
+	getVariables(fout);
 
 	*numTablesPtr = numTables;
 	return tblinfo;
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index 6e501a5413..dc1f0e1ba8 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -504,6 +504,12 @@ do { \
 		CONVERT_PRIV('r', "SELECT");
 		CONVERT_PRIV('w', "UPDATE");
 	}
+	else if (strcmp(type, "VARIABLE") == 0 ||
+			 strcmp(type, "VARIABLES") == 0)
+	{
+		CONVERT_PRIV('r', "SELECT");
+		CONVERT_PRIV('w', "UPDATE");
+	}
 	else
 		abort();
 
diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index fcc5f6bd05..9d675d669c 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -131,12 +131,14 @@ typedef struct _restoreOptions
 	int			selFunction;
 	int			selTrigger;
 	int			selTable;
+	int			selVariable;
 	SimpleStringList indexNames;
 	SimpleStringList functionNames;
 	SimpleStringList schemaNames;
 	SimpleStringList schemaExcludeNames;
 	SimpleStringList triggerNames;
 	SimpleStringList tableNames;
+	SimpleStringList variableNames;
 
 	int			useDB;
 	ConnParams	cparams;		/* parameters to use if useDB */
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 233198afc0..8d47869ba8 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -2934,6 +2934,14 @@ _tocEntryRequired(TocEntry *te, teSection curSection, ArchiveHandle *AH)
 					!simple_string_list_member(&ropt->triggerNames, te->tag))
 					return 0;
 			}
+			else if (strcmp(te->desc, "VARIABLE") == 0)
+			{
+				if (!ropt->selVariable)
+					return 0;
+				if (ropt->variableNames.head != NULL &&
+					!simple_string_list_member(&ropt->variableNames, te->tag))
+					return 0;
+			}
 			else
 				return 0;
 		}
@@ -3419,6 +3427,7 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te)
 		strcmp(type, "TEXT SEARCH DICTIONARY") == 0 ||
 		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0 ||
 		strcmp(type, "STATISTICS") == 0 ||
+		strcmp(type, "VARIABLE") == 0 ||
 	/* non-schema-specified objects */
 		strcmp(type, "DATABASE") == 0 ||
 		strcmp(type, "PROCEDURAL LANGUAGE") == 0 ||
@@ -3611,7 +3620,8 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, bool isData)
 			strcmp(te->desc, "SERVER") == 0 ||
 			strcmp(te->desc, "STATISTICS") == 0 ||
 			strcmp(te->desc, "PUBLICATION") == 0 ||
-			strcmp(te->desc, "SUBSCRIPTION") == 0)
+			strcmp(te->desc, "SUBSCRIPTION") == 0 ||
+			strcmp(te->desc, "VARIABLE") == 0)
 		{
 			PQExpBuffer temp = createPQExpBuffer();
 
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 67b6d9079e..813f3f5c7c 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -287,6 +287,7 @@ static void dumpPolicy(Archive *fout, const PolicyInfo *polinfo);
 static void dumpPublication(Archive *fout, const PublicationInfo *pubinfo);
 static void dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo);
 static void dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo);
+static void dumpVariable(Archive *fout, const VariableInfo * varinfo);
 static void dumpDatabase(Archive *AH);
 static void dumpDatabaseConfig(Archive *AH, PQExpBuffer outbuf,
 							   const char *dbname, Oid dboid);
@@ -4741,6 +4742,232 @@ get_next_possible_free_pg_type_oid(Archive *fout, PQExpBuffer upgrade_query)
 	return next_possible_free_oid;
 }
 
+/*
+ * getVariables
+ *	  get information about variables
+ */
+void
+getVariables(Archive *fout)
+{
+	PQExpBuffer query;
+	PGresult   *res;
+	VariableInfo *varinfo;
+	int			i_tableoid;
+	int			i_oid;
+	int			i_varname;
+	int			i_varnamespace;
+	int			i_vartype;
+	int			i_vartypname;
+	int			i_vardefexpr;
+	int			i_vareoxaction;
+	int			i_varisnotnull;
+	int			i_varisimmutable;
+	int			i_varowner;
+	int			i_varcollation;
+	int			i_varacl;
+	int			i_acldefault;
+	int			i,
+				ntups;
+
+	if (fout->remoteVersion < 160000)
+		return;
+
+	query = createPQExpBuffer();
+
+	resetPQExpBuffer(query);
+
+	/* Get the variables in current database. */
+	appendPQExpBuffer(query,
+					  "SELECT v.tableoid, v.oid, v.varname,\n"
+					  "v.vareoxaction,\n"
+					  "v.varnamespace,\n"
+					  "v.vartype,\n"
+					  "pg_catalog.format_type(v.vartype, v.vartypmod) as vartypname,\n"
+					  "v.varisnotnull,\n"
+					  "v.varisimmutable,\n"
+					  "CASE WHEN v.varcollation <> t.typcollation "
+					  "THEN v.varcollation ELSE 0 END AS varcollation,\n"
+					  "pg_catalog.pg_get_expr(v.vardefexpr,0) as vardefexpr,\n"
+					  "v.varowner,\n"
+					  "v.varacl,\n"
+					  "acldefault('V', v.varowner) AS acldefault\n"
+					  "FROM pg_catalog.pg_variable v\n"
+					  "JOIN pg_catalog.pg_type t "
+					  "ON (v.vartype = t.oid)");
+
+	res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+	ntups = PQntuples(res);
+
+	i_tableoid = PQfnumber(res, "tableoid");
+	i_oid = PQfnumber(res, "oid");
+	i_varname = PQfnumber(res, "varname");
+	i_varnamespace = PQfnumber(res, "varnamespace");
+	i_vartype = PQfnumber(res, "vartype");
+	i_vartypname = PQfnumber(res, "vartypname");
+	i_vareoxaction = PQfnumber(res, "vareoxaction");
+	i_vardefexpr = PQfnumber(res, "vardefexpr");
+	i_varisnotnull = PQfnumber(res, "varisnotnull");
+	i_varisimmutable = PQfnumber(res, "varisimmutable");
+	i_varcollation = PQfnumber(res, "varcollation");
+
+	i_varowner = PQfnumber(res, "varowner");
+	i_varacl = PQfnumber(res, "varacl");
+	i_acldefault = PQfnumber(res, "acldefault");
+
+	varinfo = pg_malloc(ntups * sizeof(VariableInfo));
+
+	for (i = 0; i < ntups; i++)
+	{
+		TypeInfo   *vtype;
+
+		varinfo[i].dobj.objType = DO_VARIABLE;
+		varinfo[i].dobj.catId.tableoid =
+			atooid(PQgetvalue(res, i, i_tableoid));
+		varinfo[i].dobj.catId.oid = atooid(PQgetvalue(res, i, i_oid));
+		AssignDumpId(&varinfo[i].dobj);
+		varinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_varname));
+		varinfo[i].dobj.namespace =
+			findNamespace(atooid(PQgetvalue(res, i, i_varnamespace)));
+
+		varinfo[i].vartype = atooid(PQgetvalue(res, i, i_vartype));
+		varinfo[i].vartypname = pg_strdup(PQgetvalue(res, i, i_vartypname));
+		varinfo[i].vareoxaction = pg_strdup(PQgetvalue(res, i, i_vareoxaction));
+		varinfo[i].varisnotnull = *(PQgetvalue(res, i, i_varisnotnull)) == 't';
+		varinfo[i].varisimmutable = *(PQgetvalue(res, i, i_varisimmutable)) == 't';
+		varinfo[i].varcollation = atooid(PQgetvalue(res, i, i_varcollation));
+
+		varinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_varacl));
+		varinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+		varinfo[i].dacl.privtype = 0;
+		varinfo[i].dacl.initprivs = NULL;
+		varinfo[i].rolname = getRoleName(PQgetvalue(res, i, i_varowner));
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		/* Do not try to dump ACL if no ACL exists. */
+		if (!PQgetisnull(res, i, i_varacl))
+			varinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
+		if (PQgetisnull(res, i, i_vardefexpr))
+			varinfo[i].vardefexpr = NULL;
+		else
+			varinfo[i].vardefexpr = pg_strdup(PQgetvalue(res, i, i_vardefexpr));
+
+		if (strlen(varinfo[i].rolname) == 0)
+			pg_log_warning("owner of variable \"%s\" appears to be invalid",
+						   varinfo[i].dobj.name);
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		vtype = findTypeByOid(varinfo[i].vartype);
+		addObjectDependency(&varinfo[i].dobj, vtype->dobj.dumpId);
+	}
+	PQclear(res);
+
+	destroyPQExpBuffer(query);
+}
+
+/*
+ * dumpVariable
+ *	  dump the definition of the given variables
+ */
+static void
+dumpVariable(Archive *fout, const VariableInfo *varinfo)
+{
+	DumpOptions *dopt = fout->dopt;
+
+	PQExpBuffer delq;
+	PQExpBuffer query;
+	char	   *qualvarname;
+	const char *vartypname;
+	const char *vardefexpr;
+	const char *vareoxaction;
+	const char *varisimmutable;
+	Oid			varcollation;
+	bool		varisnotnull;
+
+	/* Skip if not to be dumped */
+	if (!varinfo->dobj.dump || dopt->dataOnly)
+		return;
+
+	delq = createPQExpBuffer();
+	query = createPQExpBuffer();
+
+	qualvarname = pg_strdup(fmtQualifiedDumpable(varinfo));
+	vartypname = varinfo->vartypname;
+	vardefexpr = varinfo->vardefexpr;
+	vareoxaction = varinfo->vareoxaction;
+	varisnotnull = varinfo->varisnotnull;
+	varisimmutable = varinfo->varisimmutable ? "IMMUTABLE " : "";
+	varcollation = varinfo->varcollation;
+
+	appendPQExpBuffer(delq, "DROP VARIABLE %s;\n",
+					  qualvarname);
+
+	appendPQExpBuffer(query, "CREATE %sVARIABLE %s AS %s",
+					  varisimmutable, qualvarname, vartypname);
+
+	if (OidIsValid(varcollation))
+	{
+		CollInfo   *coll;
+
+		coll = findCollationByOid(varcollation);
+		if (coll)
+			appendPQExpBuffer(query, " COLLATE %s",
+							  fmtQualifiedDumpable(coll));
+	}
+
+	if (varisnotnull)
+		appendPQExpBuffer(query, " NOT NULL");
+
+	if (vardefexpr)
+		appendPQExpBuffer(query, " DEFAULT %s",
+						  vardefexpr);
+
+	if (strcmp(vareoxaction, "d") == 0)
+		appendPQExpBuffer(query, " ON COMMIT DROP");
+	else if (strcmp(vareoxaction, "r") == 0)
+		appendPQExpBuffer(query, " ON TRANSACTION END RESET");
+
+	appendPQExpBuffer(query, ";\n");
+
+	if (varinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+		ArchiveEntry(fout, varinfo->dobj.catId, varinfo->dobj.dumpId,
+					 ARCHIVE_OPTS(.tag = varinfo->dobj.name,
+								  .namespace = varinfo->dobj.namespace->dobj.name,
+								  .owner = varinfo->rolname,
+								  .description = "VARIABLE",
+								  .section = SECTION_PRE_DATA,
+								  .createStmt = query->data,
+								  .dropStmt = delq->data));
+
+	/* Dump comment if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
+		dumpComment(fout, "VARIABLE", qualvarname,
+					NULL, varinfo->rolname,
+					varinfo->dobj.catId, 0, varinfo->dobj.dumpId);
+
+	/* Dump ACL if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_ACL)
+	{
+		char	   *qvarname = pg_strdup(fmtId(varinfo->dobj.name));
+
+		dumpACL(fout, varinfo->dobj.dumpId, InvalidDumpId, "VARIABLE",
+				qvarname, NULL,
+				varinfo->dobj.namespace->dobj.name, varinfo->rolname, &varinfo->dacl);
+
+		free(qvarname);
+	}
+
+	destroyPQExpBuffer(delq);
+	destroyPQExpBuffer(query);
+
+	free(qualvarname);
+}
+
 static void
 binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
 										 PQExpBuffer upgrade_buffer,
@@ -9395,7 +9622,8 @@ getAdditionalACLs(Archive *fout)
 					dobj->objType == DO_TABLE ||
 					dobj->objType == DO_PROCLANG ||
 					dobj->objType == DO_FDW ||
-					dobj->objType == DO_FOREIGN_SERVER)
+					dobj->objType == DO_FOREIGN_SERVER ||
+					dobj->objType == DO_VARIABLE)
 				{
 					DumpableObjectWithAcl *daobj = (DumpableObjectWithAcl *) dobj;
 
@@ -9985,6 +10213,9 @@ dumpDumpableObject(Archive *fout, DumpableObject *dobj)
 		case DO_SUBSCRIPTION:
 			dumpSubscription(fout, (const SubscriptionInfo *) dobj);
 			break;
+		case DO_VARIABLE:
+			dumpVariable(fout, (VariableInfo *) dobj);
+			break;
 		case DO_PRE_DATA_BOUNDARY:
 		case DO_POST_DATA_BOUNDARY:
 			/* never dumped, nothing to do */
@@ -14361,6 +14592,9 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
 		case DEFACLOBJ_NAMESPACE:
 			type = "SCHEMAS";
 			break;
+		case DEFACLOBJ_VARIABLE:
+			type = "VARIABLES";
+			break;
 		default:
 			/* shouldn't get here */
 			pg_fatal("unrecognized object type in default privileges: %d",
@@ -17902,6 +18136,7 @@ addBoundaryDependencies(DumpableObject **dobjs, int numObjs,
 			case DO_CONVERSION:
 			case DO_TABLE:
 			case DO_TABLE_ATTACH:
+			case DO_VARIABLE:
 			case DO_ATTRDEF:
 			case DO_PROCLANG:
 			case DO_CAST:
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 69ee939d44..5c6acf84f6 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -52,6 +52,7 @@ typedef enum
 	DO_TABLE,
 	DO_TABLE_ATTACH,
 	DO_ATTRDEF,
+	DO_VARIABLE,
 	DO_INDEX,
 	DO_INDEX_ATTACH,
 	DO_STATSEXT,
@@ -82,7 +83,7 @@ typedef enum
 	DO_PUBLICATION,
 	DO_PUBLICATION_REL,
 	DO_PUBLICATION_TABLE_IN_SCHEMA,
-	DO_SUBSCRIPTION
+	DO_SUBSCRIPTION,
 } DumpableObjectType;
 
 /*
@@ -664,6 +665,27 @@ typedef struct _SubscriptionInfo
 	char	   *subpublications;
 } SubscriptionInfo;
 
+/*
+ * The VariableInfo struct is used to represent session variables
+ */
+typedef struct _VariableInfo
+{
+	DumpableObject dobj;
+	DumpableAcl dacl;
+	Oid			vartype;
+	char	   *vartypname;
+	char	   *vareoxaction;
+	char	   *vardefexpr;
+	char	   *varacl;
+	char	   *rvaracl;
+	char	   *initvaracl;
+	char	   *initrvaracl;
+	bool		varisnotnull;
+	bool		varisimmutable;
+	Oid			varcollation;
+	const char *rolname;		/* name of owner, or empty string */
+} VariableInfo;
+
 /*
  *	common utility functions
  */
@@ -746,5 +768,6 @@ extern void getPublicationNamespaces(Archive *fout);
 extern void getPublicationTables(Archive *fout, TableInfo tblinfo[],
 								 int numTables);
 extern void getSubscriptions(Archive *fout);
+extern void getVariables(Archive *fout);
 
 #endif							/* PG_DUMP_H */
diff --git a/src/bin/pg_dump/pg_dump_sort.c b/src/bin/pg_dump/pg_dump_sort.c
index 5de3241eb4..1a660b8a9f 100644
--- a/src/bin/pg_dump/pg_dump_sort.c
+++ b/src/bin/pg_dump/pg_dump_sort.c
@@ -75,6 +75,7 @@ enum dbObjectTypePriorities
 	PRIO_TABLE_ATTACH,
 	PRIO_DUMMY_TYPE,
 	PRIO_ATTRDEF,
+	PRIO_VARIABLE,
 	PRIO_BLOB,
 	PRIO_PRE_DATA_BOUNDARY,		/* boundary! */
 	PRIO_TABLE_DATA,
@@ -116,6 +117,7 @@ static const int dbObjectTypePriority[] =
 	PRIO_TABLE,					/* DO_TABLE */
 	PRIO_TABLE_ATTACH,			/* DO_TABLE_ATTACH */
 	PRIO_ATTRDEF,				/* DO_ATTRDEF */
+	PRIO_VARIABLE,				/* DO_VARIABLE */
 	PRIO_INDEX,					/* DO_INDEX */
 	PRIO_INDEX_ATTACH,			/* DO_INDEX_ATTACH */
 	PRIO_STATSEXT,				/* DO_STATSEXT */
@@ -1508,6 +1510,10 @@ describeDumpableObject(DumpableObject *obj, char *buf, int bufsize)
 					 "POST-DATA BOUNDARY  (ID %d)",
 					 obj->dumpId);
 			return;
+		case DO_VARIABLE:
+			snprintf(buf, bufsize,
+					 "VARIABLE %s  (ID %d OID %u)",
+					 obj->name, obj->dumpId, obj->catId.oid);
 	}
 	/* shouldn't get here */
 	snprintf(buf, bufsize,
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 049a100634..830cde5421 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -103,6 +103,7 @@ main(int argc, char **argv)
 		{"trigger", 1, NULL, 'T'},
 		{"use-list", 1, NULL, 'L'},
 		{"username", 1, NULL, 'U'},
+		{"variable", 1, NULL, 'A'},
 		{"verbose", 0, NULL, 'v'},
 		{"single-transaction", 0, NULL, '1'},
 
@@ -151,7 +152,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
+	while ((c = getopt_long(argc, argv, "A:acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
 							cmdopts, NULL)) != -1)
 	{
 		switch (c)
@@ -159,6 +160,11 @@ main(int argc, char **argv)
 			case 'a':			/* Dump data only */
 				opts->dataOnly = 1;
 				break;
+			case 'A':			/* vAriable */
+				opts->selTypes = 1;
+				opts->selVariable = 1;
+				simple_string_list_append(&opts->variableNames, optarg);
+				break;
 			case 'c':			/* clean (i.e., drop) schema prior to create */
 				opts->dropSchema = 1;
 				break;
@@ -444,6 +450,7 @@ usage(const char *progname)
 
 	printf(_("\nOptions controlling the restore:\n"));
 	printf(_("  -a, --data-only              restore only the data, no schema\n"));
+	printf(_("  -A, --variable=NAME          restore named session variable\n"));
 	printf(_("  -c, --clean                  clean (drop) database objects before recreating\n"));
 	printf(_("  -C, --create                 create the target database\n"));
 	printf(_("  -e, --exit-on-error          exit on error, default is to continue\n"));
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 2873b662fb..747308c894 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -572,6 +572,16 @@ my %tests = (
 		unlike => { no_privs => 1, },
 	  },
 
+	'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC'
+	  => {
+		create_order => 56,
+		create_sql   => 'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC;',
+		regexp => qr/^
+			\QALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES  TO PUBLIC;\E/xm,
+		like => { %full_runs, section_post_data => 1, },
+		unlike => { no_privs => 1, },
+	  },
+
 	'ALTER ROLE regress_dump_test_role' => {
 		regexp => qr/^
 			\QALTER ROLE regress_dump_test_role WITH \E
@@ -1327,6 +1337,22 @@ my %tests = (
 		unlike => { exclude_dump_test_schema => 1, },
 	},
 
+	'COMMENT ON VARIABLE dump_test.variable1' => {
+		create_order => 71,
+		create_sql   => 'COMMENT ON VARIABLE dump_test.variable1
+					   IS \'comment on variable\';',
+		regexp =>
+		  qr/^\QCOMMENT ON VARIABLE dump_test.variable1 IS 'comment on variable';\E/m,
+		like => {
+			%full_runs,
+			%dump_test_schema_runs,
+			section_pre_data     => 1,
+		},
+		unlike => {
+			exclude_dump_test_schema => 1,
+		},
+	},
+
 	'COPY test_table' => {
 		create_order => 4,
 		create_sql   => 'INSERT INTO dump_test.test_table (col1) '
@@ -3263,6 +3289,30 @@ my %tests = (
 		},
 	},
 
+	'CREATE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
+	'CREATE IMMUTABLE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
 	'CREATE VIEW test_view' => {
 		create_order => 61,
 		create_sql   => 'CREATE VIEW dump_test.test_view
@@ -3702,6 +3752,21 @@ my %tests = (
 		like => {},
 	},
 
+	'GRANT SELECT ON VARIABLE dump_test.variable1' => {
+		create_order => 73,
+		create_sql =>
+		  'GRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;',
+		regexp => qr/^
+			\QGRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;\E
+			/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => {
+			exclude_dump_test_schema => 1,
+			no_privs                 => 1,
+		},
+	},
+
 	'REFRESH MATERIALIZED VIEW matview' => {
 		regexp => qr/^\QREFRESH MATERIALIZED VIEW dump_test.matview;\E/m,
 		like =>
diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list
index 522986a730..8b7e281bcf 100644
--- a/src/tools/pgindent/typedefs.list
+++ b/src/tools/pgindent/typedefs.list
@@ -2913,6 +2913,7 @@ Variable
 VariableAssignHook
 VariableCache
 VariableCacheData
+VariableInfo
 VariableSetKind
 VariableSetStmt
 VariableShowStmt
-- 
2.37.0


--z3ntqfnlkpftg4xg
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename="v20220922-0010-regress-tests-for-session-variables.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v20220916 09/13] possibility to dump session variables by pg_dump
@ 2022-04-04 18:49 [email protected] <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: [email protected] @ 2022-04-04 18:49 UTC (permalink / raw)

Enhancing pg_dump about session variables support
---
 src/bin/pg_dump/common.c             |   3 +-
 src/bin/pg_dump/dumputils.c          |   6 +
 src/bin/pg_dump/pg_backup.h          |   2 +
 src/bin/pg_dump/pg_backup_archiver.c |  12 +-
 src/bin/pg_dump/pg_dump.c            | 237 ++++++++++++++++++++++++++-
 src/bin/pg_dump/pg_dump.h            |  25 ++-
 src/bin/pg_dump/pg_dump_sort.c       |   6 +
 src/bin/pg_dump/pg_restore.c         |   9 +-
 src/bin/pg_dump/t/002_pg_dump.pl     |  65 ++++++++
 src/tools/pgindent/typedefs.list     |   1 +
 10 files changed, 361 insertions(+), 5 deletions(-)

diff --git a/src/bin/pg_dump/common.c b/src/bin/pg_dump/common.c
index 395f817fa8..6f10488c34 100644
--- a/src/bin/pg_dump/common.c
+++ b/src/bin/pg_dump/common.c
@@ -263,7 +263,8 @@ getSchemaData(Archive *fout, int *numTablesPtr)
 	pg_log_info("reading subscriptions");
 	getSubscriptions(fout);
 
-	free(inhinfo);				/* not needed any longer */
+	pg_log_info("reading variables");
+	getVariables(fout);
 
 	*numTablesPtr = numTables;
 	return tblinfo;
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index 6e501a5413..dc1f0e1ba8 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -504,6 +504,12 @@ do { \
 		CONVERT_PRIV('r', "SELECT");
 		CONVERT_PRIV('w', "UPDATE");
 	}
+	else if (strcmp(type, "VARIABLE") == 0 ||
+			 strcmp(type, "VARIABLES") == 0)
+	{
+		CONVERT_PRIV('r', "SELECT");
+		CONVERT_PRIV('w', "UPDATE");
+	}
 	else
 		abort();
 
diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index fcc5f6bd05..9d675d669c 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -131,12 +131,14 @@ typedef struct _restoreOptions
 	int			selFunction;
 	int			selTrigger;
 	int			selTable;
+	int			selVariable;
 	SimpleStringList indexNames;
 	SimpleStringList functionNames;
 	SimpleStringList schemaNames;
 	SimpleStringList schemaExcludeNames;
 	SimpleStringList triggerNames;
 	SimpleStringList tableNames;
+	SimpleStringList variableNames;
 
 	int			useDB;
 	ConnParams	cparams;		/* parameters to use if useDB */
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 233198afc0..8d47869ba8 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -2934,6 +2934,14 @@ _tocEntryRequired(TocEntry *te, teSection curSection, ArchiveHandle *AH)
 					!simple_string_list_member(&ropt->triggerNames, te->tag))
 					return 0;
 			}
+			else if (strcmp(te->desc, "VARIABLE") == 0)
+			{
+				if (!ropt->selVariable)
+					return 0;
+				if (ropt->variableNames.head != NULL &&
+					!simple_string_list_member(&ropt->variableNames, te->tag))
+					return 0;
+			}
 			else
 				return 0;
 		}
@@ -3419,6 +3427,7 @@ _getObjectDescription(PQExpBuffer buf, TocEntry *te)
 		strcmp(type, "TEXT SEARCH DICTIONARY") == 0 ||
 		strcmp(type, "TEXT SEARCH CONFIGURATION") == 0 ||
 		strcmp(type, "STATISTICS") == 0 ||
+		strcmp(type, "VARIABLE") == 0 ||
 	/* non-schema-specified objects */
 		strcmp(type, "DATABASE") == 0 ||
 		strcmp(type, "PROCEDURAL LANGUAGE") == 0 ||
@@ -3611,7 +3620,8 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, bool isData)
 			strcmp(te->desc, "SERVER") == 0 ||
 			strcmp(te->desc, "STATISTICS") == 0 ||
 			strcmp(te->desc, "PUBLICATION") == 0 ||
-			strcmp(te->desc, "SUBSCRIPTION") == 0)
+			strcmp(te->desc, "SUBSCRIPTION") == 0 ||
+			strcmp(te->desc, "VARIABLE") == 0)
 		{
 			PQExpBuffer temp = createPQExpBuffer();
 
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index 67b6d9079e..813f3f5c7c 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -287,6 +287,7 @@ static void dumpPolicy(Archive *fout, const PolicyInfo *polinfo);
 static void dumpPublication(Archive *fout, const PublicationInfo *pubinfo);
 static void dumpPublicationTable(Archive *fout, const PublicationRelInfo *pubrinfo);
 static void dumpSubscription(Archive *fout, const SubscriptionInfo *subinfo);
+static void dumpVariable(Archive *fout, const VariableInfo * varinfo);
 static void dumpDatabase(Archive *AH);
 static void dumpDatabaseConfig(Archive *AH, PQExpBuffer outbuf,
 							   const char *dbname, Oid dboid);
@@ -4741,6 +4742,232 @@ get_next_possible_free_pg_type_oid(Archive *fout, PQExpBuffer upgrade_query)
 	return next_possible_free_oid;
 }
 
+/*
+ * getVariables
+ *	  get information about variables
+ */
+void
+getVariables(Archive *fout)
+{
+	PQExpBuffer query;
+	PGresult   *res;
+	VariableInfo *varinfo;
+	int			i_tableoid;
+	int			i_oid;
+	int			i_varname;
+	int			i_varnamespace;
+	int			i_vartype;
+	int			i_vartypname;
+	int			i_vardefexpr;
+	int			i_vareoxaction;
+	int			i_varisnotnull;
+	int			i_varisimmutable;
+	int			i_varowner;
+	int			i_varcollation;
+	int			i_varacl;
+	int			i_acldefault;
+	int			i,
+				ntups;
+
+	if (fout->remoteVersion < 160000)
+		return;
+
+	query = createPQExpBuffer();
+
+	resetPQExpBuffer(query);
+
+	/* Get the variables in current database. */
+	appendPQExpBuffer(query,
+					  "SELECT v.tableoid, v.oid, v.varname,\n"
+					  "v.vareoxaction,\n"
+					  "v.varnamespace,\n"
+					  "v.vartype,\n"
+					  "pg_catalog.format_type(v.vartype, v.vartypmod) as vartypname,\n"
+					  "v.varisnotnull,\n"
+					  "v.varisimmutable,\n"
+					  "CASE WHEN v.varcollation <> t.typcollation "
+					  "THEN v.varcollation ELSE 0 END AS varcollation,\n"
+					  "pg_catalog.pg_get_expr(v.vardefexpr,0) as vardefexpr,\n"
+					  "v.varowner,\n"
+					  "v.varacl,\n"
+					  "acldefault('V', v.varowner) AS acldefault\n"
+					  "FROM pg_catalog.pg_variable v\n"
+					  "JOIN pg_catalog.pg_type t "
+					  "ON (v.vartype = t.oid)");
+
+	res = ExecuteSqlQuery(fout, query->data, PGRES_TUPLES_OK);
+
+	ntups = PQntuples(res);
+
+	i_tableoid = PQfnumber(res, "tableoid");
+	i_oid = PQfnumber(res, "oid");
+	i_varname = PQfnumber(res, "varname");
+	i_varnamespace = PQfnumber(res, "varnamespace");
+	i_vartype = PQfnumber(res, "vartype");
+	i_vartypname = PQfnumber(res, "vartypname");
+	i_vareoxaction = PQfnumber(res, "vareoxaction");
+	i_vardefexpr = PQfnumber(res, "vardefexpr");
+	i_varisnotnull = PQfnumber(res, "varisnotnull");
+	i_varisimmutable = PQfnumber(res, "varisimmutable");
+	i_varcollation = PQfnumber(res, "varcollation");
+
+	i_varowner = PQfnumber(res, "varowner");
+	i_varacl = PQfnumber(res, "varacl");
+	i_acldefault = PQfnumber(res, "acldefault");
+
+	varinfo = pg_malloc(ntups * sizeof(VariableInfo));
+
+	for (i = 0; i < ntups; i++)
+	{
+		TypeInfo   *vtype;
+
+		varinfo[i].dobj.objType = DO_VARIABLE;
+		varinfo[i].dobj.catId.tableoid =
+			atooid(PQgetvalue(res, i, i_tableoid));
+		varinfo[i].dobj.catId.oid = atooid(PQgetvalue(res, i, i_oid));
+		AssignDumpId(&varinfo[i].dobj);
+		varinfo[i].dobj.name = pg_strdup(PQgetvalue(res, i, i_varname));
+		varinfo[i].dobj.namespace =
+			findNamespace(atooid(PQgetvalue(res, i, i_varnamespace)));
+
+		varinfo[i].vartype = atooid(PQgetvalue(res, i, i_vartype));
+		varinfo[i].vartypname = pg_strdup(PQgetvalue(res, i, i_vartypname));
+		varinfo[i].vareoxaction = pg_strdup(PQgetvalue(res, i, i_vareoxaction));
+		varinfo[i].varisnotnull = *(PQgetvalue(res, i, i_varisnotnull)) == 't';
+		varinfo[i].varisimmutable = *(PQgetvalue(res, i, i_varisimmutable)) == 't';
+		varinfo[i].varcollation = atooid(PQgetvalue(res, i, i_varcollation));
+
+		varinfo[i].dacl.acl = pg_strdup(PQgetvalue(res, i, i_varacl));
+		varinfo[i].dacl.acldefault = pg_strdup(PQgetvalue(res, i, i_acldefault));
+		varinfo[i].dacl.privtype = 0;
+		varinfo[i].dacl.initprivs = NULL;
+		varinfo[i].rolname = getRoleName(PQgetvalue(res, i, i_varowner));
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		/* Do not try to dump ACL if no ACL exists. */
+		if (!PQgetisnull(res, i, i_varacl))
+			varinfo[i].dobj.components |= DUMP_COMPONENT_ACL;
+
+		if (PQgetisnull(res, i, i_vardefexpr))
+			varinfo[i].vardefexpr = NULL;
+		else
+			varinfo[i].vardefexpr = pg_strdup(PQgetvalue(res, i, i_vardefexpr));
+
+		if (strlen(varinfo[i].rolname) == 0)
+			pg_log_warning("owner of variable \"%s\" appears to be invalid",
+						   varinfo[i].dobj.name);
+
+		/* Decide whether we want to dump it */
+		selectDumpableObject(&(varinfo[i].dobj), fout);
+
+		vtype = findTypeByOid(varinfo[i].vartype);
+		addObjectDependency(&varinfo[i].dobj, vtype->dobj.dumpId);
+	}
+	PQclear(res);
+
+	destroyPQExpBuffer(query);
+}
+
+/*
+ * dumpVariable
+ *	  dump the definition of the given variables
+ */
+static void
+dumpVariable(Archive *fout, const VariableInfo *varinfo)
+{
+	DumpOptions *dopt = fout->dopt;
+
+	PQExpBuffer delq;
+	PQExpBuffer query;
+	char	   *qualvarname;
+	const char *vartypname;
+	const char *vardefexpr;
+	const char *vareoxaction;
+	const char *varisimmutable;
+	Oid			varcollation;
+	bool		varisnotnull;
+
+	/* Skip if not to be dumped */
+	if (!varinfo->dobj.dump || dopt->dataOnly)
+		return;
+
+	delq = createPQExpBuffer();
+	query = createPQExpBuffer();
+
+	qualvarname = pg_strdup(fmtQualifiedDumpable(varinfo));
+	vartypname = varinfo->vartypname;
+	vardefexpr = varinfo->vardefexpr;
+	vareoxaction = varinfo->vareoxaction;
+	varisnotnull = varinfo->varisnotnull;
+	varisimmutable = varinfo->varisimmutable ? "IMMUTABLE " : "";
+	varcollation = varinfo->varcollation;
+
+	appendPQExpBuffer(delq, "DROP VARIABLE %s;\n",
+					  qualvarname);
+
+	appendPQExpBuffer(query, "CREATE %sVARIABLE %s AS %s",
+					  varisimmutable, qualvarname, vartypname);
+
+	if (OidIsValid(varcollation))
+	{
+		CollInfo   *coll;
+
+		coll = findCollationByOid(varcollation);
+		if (coll)
+			appendPQExpBuffer(query, " COLLATE %s",
+							  fmtQualifiedDumpable(coll));
+	}
+
+	if (varisnotnull)
+		appendPQExpBuffer(query, " NOT NULL");
+
+	if (vardefexpr)
+		appendPQExpBuffer(query, " DEFAULT %s",
+						  vardefexpr);
+
+	if (strcmp(vareoxaction, "d") == 0)
+		appendPQExpBuffer(query, " ON COMMIT DROP");
+	else if (strcmp(vareoxaction, "r") == 0)
+		appendPQExpBuffer(query, " ON TRANSACTION END RESET");
+
+	appendPQExpBuffer(query, ";\n");
+
+	if (varinfo->dobj.dump & DUMP_COMPONENT_DEFINITION)
+		ArchiveEntry(fout, varinfo->dobj.catId, varinfo->dobj.dumpId,
+					 ARCHIVE_OPTS(.tag = varinfo->dobj.name,
+								  .namespace = varinfo->dobj.namespace->dobj.name,
+								  .owner = varinfo->rolname,
+								  .description = "VARIABLE",
+								  .section = SECTION_PRE_DATA,
+								  .createStmt = query->data,
+								  .dropStmt = delq->data));
+
+	/* Dump comment if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_COMMENT)
+		dumpComment(fout, "VARIABLE", qualvarname,
+					NULL, varinfo->rolname,
+					varinfo->dobj.catId, 0, varinfo->dobj.dumpId);
+
+	/* Dump ACL if any */
+	if (varinfo->dobj.dump & DUMP_COMPONENT_ACL)
+	{
+		char	   *qvarname = pg_strdup(fmtId(varinfo->dobj.name));
+
+		dumpACL(fout, varinfo->dobj.dumpId, InvalidDumpId, "VARIABLE",
+				qvarname, NULL,
+				varinfo->dobj.namespace->dobj.name, varinfo->rolname, &varinfo->dacl);
+
+		free(qvarname);
+	}
+
+	destroyPQExpBuffer(delq);
+	destroyPQExpBuffer(query);
+
+	free(qualvarname);
+}
+
 static void
 binary_upgrade_set_type_oids_by_type_oid(Archive *fout,
 										 PQExpBuffer upgrade_buffer,
@@ -9395,7 +9622,8 @@ getAdditionalACLs(Archive *fout)
 					dobj->objType == DO_TABLE ||
 					dobj->objType == DO_PROCLANG ||
 					dobj->objType == DO_FDW ||
-					dobj->objType == DO_FOREIGN_SERVER)
+					dobj->objType == DO_FOREIGN_SERVER ||
+					dobj->objType == DO_VARIABLE)
 				{
 					DumpableObjectWithAcl *daobj = (DumpableObjectWithAcl *) dobj;
 
@@ -9985,6 +10213,9 @@ dumpDumpableObject(Archive *fout, DumpableObject *dobj)
 		case DO_SUBSCRIPTION:
 			dumpSubscription(fout, (const SubscriptionInfo *) dobj);
 			break;
+		case DO_VARIABLE:
+			dumpVariable(fout, (VariableInfo *) dobj);
+			break;
 		case DO_PRE_DATA_BOUNDARY:
 		case DO_POST_DATA_BOUNDARY:
 			/* never dumped, nothing to do */
@@ -14361,6 +14592,9 @@ dumpDefaultACL(Archive *fout, const DefaultACLInfo *daclinfo)
 		case DEFACLOBJ_NAMESPACE:
 			type = "SCHEMAS";
 			break;
+		case DEFACLOBJ_VARIABLE:
+			type = "VARIABLES";
+			break;
 		default:
 			/* shouldn't get here */
 			pg_fatal("unrecognized object type in default privileges: %d",
@@ -17902,6 +18136,7 @@ addBoundaryDependencies(DumpableObject **dobjs, int numObjs,
 			case DO_CONVERSION:
 			case DO_TABLE:
 			case DO_TABLE_ATTACH:
+			case DO_VARIABLE:
 			case DO_ATTRDEF:
 			case DO_PROCLANG:
 			case DO_CAST:
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 69ee939d44..5c6acf84f6 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -52,6 +52,7 @@ typedef enum
 	DO_TABLE,
 	DO_TABLE_ATTACH,
 	DO_ATTRDEF,
+	DO_VARIABLE,
 	DO_INDEX,
 	DO_INDEX_ATTACH,
 	DO_STATSEXT,
@@ -82,7 +83,7 @@ typedef enum
 	DO_PUBLICATION,
 	DO_PUBLICATION_REL,
 	DO_PUBLICATION_TABLE_IN_SCHEMA,
-	DO_SUBSCRIPTION
+	DO_SUBSCRIPTION,
 } DumpableObjectType;
 
 /*
@@ -664,6 +665,27 @@ typedef struct _SubscriptionInfo
 	char	   *subpublications;
 } SubscriptionInfo;
 
+/*
+ * The VariableInfo struct is used to represent session variables
+ */
+typedef struct _VariableInfo
+{
+	DumpableObject dobj;
+	DumpableAcl dacl;
+	Oid			vartype;
+	char	   *vartypname;
+	char	   *vareoxaction;
+	char	   *vardefexpr;
+	char	   *varacl;
+	char	   *rvaracl;
+	char	   *initvaracl;
+	char	   *initrvaracl;
+	bool		varisnotnull;
+	bool		varisimmutable;
+	Oid			varcollation;
+	const char *rolname;		/* name of owner, or empty string */
+} VariableInfo;
+
 /*
  *	common utility functions
  */
@@ -746,5 +768,6 @@ extern void getPublicationNamespaces(Archive *fout);
 extern void getPublicationTables(Archive *fout, TableInfo tblinfo[],
 								 int numTables);
 extern void getSubscriptions(Archive *fout);
+extern void getVariables(Archive *fout);
 
 #endif							/* PG_DUMP_H */
diff --git a/src/bin/pg_dump/pg_dump_sort.c b/src/bin/pg_dump/pg_dump_sort.c
index 5de3241eb4..1a660b8a9f 100644
--- a/src/bin/pg_dump/pg_dump_sort.c
+++ b/src/bin/pg_dump/pg_dump_sort.c
@@ -75,6 +75,7 @@ enum dbObjectTypePriorities
 	PRIO_TABLE_ATTACH,
 	PRIO_DUMMY_TYPE,
 	PRIO_ATTRDEF,
+	PRIO_VARIABLE,
 	PRIO_BLOB,
 	PRIO_PRE_DATA_BOUNDARY,		/* boundary! */
 	PRIO_TABLE_DATA,
@@ -116,6 +117,7 @@ static const int dbObjectTypePriority[] =
 	PRIO_TABLE,					/* DO_TABLE */
 	PRIO_TABLE_ATTACH,			/* DO_TABLE_ATTACH */
 	PRIO_ATTRDEF,				/* DO_ATTRDEF */
+	PRIO_VARIABLE,				/* DO_VARIABLE */
 	PRIO_INDEX,					/* DO_INDEX */
 	PRIO_INDEX_ATTACH,			/* DO_INDEX_ATTACH */
 	PRIO_STATSEXT,				/* DO_STATSEXT */
@@ -1508,6 +1510,10 @@ describeDumpableObject(DumpableObject *obj, char *buf, int bufsize)
 					 "POST-DATA BOUNDARY  (ID %d)",
 					 obj->dumpId);
 			return;
+		case DO_VARIABLE:
+			snprintf(buf, bufsize,
+					 "VARIABLE %s  (ID %d OID %u)",
+					 obj->name, obj->dumpId, obj->catId.oid);
 	}
 	/* shouldn't get here */
 	snprintf(buf, bufsize,
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 049a100634..830cde5421 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -103,6 +103,7 @@ main(int argc, char **argv)
 		{"trigger", 1, NULL, 'T'},
 		{"use-list", 1, NULL, 'L'},
 		{"username", 1, NULL, 'U'},
+		{"variable", 1, NULL, 'A'},
 		{"verbose", 0, NULL, 'v'},
 		{"single-transaction", 0, NULL, '1'},
 
@@ -151,7 +152,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
+	while ((c = getopt_long(argc, argv, "A:acCd:ef:F:h:I:j:lL:n:N:Op:P:RsS:t:T:U:vwWx1",
 							cmdopts, NULL)) != -1)
 	{
 		switch (c)
@@ -159,6 +160,11 @@ main(int argc, char **argv)
 			case 'a':			/* Dump data only */
 				opts->dataOnly = 1;
 				break;
+			case 'A':			/* vAriable */
+				opts->selTypes = 1;
+				opts->selVariable = 1;
+				simple_string_list_append(&opts->variableNames, optarg);
+				break;
 			case 'c':			/* clean (i.e., drop) schema prior to create */
 				opts->dropSchema = 1;
 				break;
@@ -444,6 +450,7 @@ usage(const char *progname)
 
 	printf(_("\nOptions controlling the restore:\n"));
 	printf(_("  -a, --data-only              restore only the data, no schema\n"));
+	printf(_("  -A, --variable=NAME          restore named session variable\n"));
 	printf(_("  -c, --clean                  clean (drop) database objects before recreating\n"));
 	printf(_("  -C, --create                 create the target database\n"));
 	printf(_("  -e, --exit-on-error          exit on error, default is to continue\n"));
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 2873b662fb..747308c894 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -572,6 +572,16 @@ my %tests = (
 		unlike => { no_privs => 1, },
 	  },
 
+	'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC'
+	  => {
+		create_order => 56,
+		create_sql   => 'ALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES TO PUBLIC;',
+		regexp => qr/^
+			\QALTER DEFAULT PRIVILEGES FOR ROLE regress_dump_test_role GRANT SELECT ON VARIABLES  TO PUBLIC;\E/xm,
+		like => { %full_runs, section_post_data => 1, },
+		unlike => { no_privs => 1, },
+	  },
+
 	'ALTER ROLE regress_dump_test_role' => {
 		regexp => qr/^
 			\QALTER ROLE regress_dump_test_role WITH \E
@@ -1327,6 +1337,22 @@ my %tests = (
 		unlike => { exclude_dump_test_schema => 1, },
 	},
 
+	'COMMENT ON VARIABLE dump_test.variable1' => {
+		create_order => 71,
+		create_sql   => 'COMMENT ON VARIABLE dump_test.variable1
+					   IS \'comment on variable\';',
+		regexp =>
+		  qr/^\QCOMMENT ON VARIABLE dump_test.variable1 IS 'comment on variable';\E/m,
+		like => {
+			%full_runs,
+			%dump_test_schema_runs,
+			section_pre_data     => 1,
+		},
+		unlike => {
+			exclude_dump_test_schema => 1,
+		},
+	},
+
 	'COPY test_table' => {
 		create_order => 4,
 		create_sql   => 'INSERT INTO dump_test.test_table (col1) '
@@ -3263,6 +3289,30 @@ my %tests = (
 		},
 	},
 
+	'CREATE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE VARIABLE dump_test.variable1 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
+	'CREATE IMMUTABLE VARIABLE test_variable' => {
+		all_runs     => 1,
+		catch_all    => 'CREATE ... commands',
+		create_order => 61,
+		create_sql   => 'CREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;',
+		regexp => qr/^
+			\QCREATE IMMUTABLE VARIABLE dump_test.variable2 AS integer DEFAULT 0;\E/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => { exclude_dump_test_schema => 1, },
+	},
+
 	'CREATE VIEW test_view' => {
 		create_order => 61,
 		create_sql   => 'CREATE VIEW dump_test.test_view
@@ -3702,6 +3752,21 @@ my %tests = (
 		like => {},
 	},
 
+	'GRANT SELECT ON VARIABLE dump_test.variable1' => {
+		create_order => 73,
+		create_sql =>
+		  'GRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;',
+		regexp => qr/^
+			\QGRANT SELECT ON VARIABLE dump_test.variable1 TO regress_dump_test_role;\E
+			/xm,
+		like =>
+		  { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+		unlike => {
+			exclude_dump_test_schema => 1,
+			no_privs                 => 1,
+		},
+	},
+
 	'REFRESH MATERIALIZED VIEW matview' => {
 		regexp => qr/^\QREFRESH MATERIALIZED VIEW dump_test.matview;\E/m,
 		like =>
diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list
index 522986a730..8b7e281bcf 100644
--- a/src/tools/pgindent/typedefs.list
+++ b/src/tools/pgindent/typedefs.list
@@ -2913,6 +2913,7 @@ Variable
 VariableAssignHook
 VariableCache
 VariableCacheData
+VariableInfo
 VariableSetKind
 VariableSetStmt
 VariableShowStmt
-- 
2.37.0


--w2in66fnadvggvsb
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename="v20220916-0010-regress-tests-for-session-variables.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8.1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index d39852c8323..e610a6213ec 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--AcCatzXgbvyipyEy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8.1-0005-Handle-pg_get_expr-default-args-in-system_funct.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v4 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index b40158d30bb..03550f0d80b 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2062,23 +2062,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 7e45cbcb93d..1d1b24a8f4c 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3987,9 +3987,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8529,7 +8526,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--eEEy3EHc57lA8spa
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v4-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v8 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index f2edf61f9a0..d83be8cf77d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 6bf78edf535..7e452aa8c27 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8578,9 +8575,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '6501', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', prorows => '10', provariadic => 'text',
   proisstrict => 'f', proretset => 't', provolatile => 's',
-- 
2.53.0


--iWwo79nqhOvOs5kf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v8-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v3 5/7] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 src/include/catalog/pg_retired.dat       |  1 +
 4 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index d8b8d7b4d38..4f2c93f1ee2 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index fee5efca41e..ffec11c5539 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
diff --git a/src/include/catalog/pg_retired.dat b/src/include/catalog/pg_retired.dat
index 768ce980a1d..90928a9cb00 100644
--- a/src/include/catalog/pg_retired.dat
+++ b/src/include/catalog/pg_retired.dat
@@ -17,6 +17,7 @@
 # At the same time, it may be good to be reminded what procedure was associated
 # with it.
 
+{ oid => '1387', proname => 'pg_get_constraintdef' },
 { oid => '1573', proname => 'pg_get_ruledef' },
 { oid => '1640', proname => 'pg_get_viewdef' },
 { oid => '1641', proname => 'pg_get_viewdef' },
-- 
2.43.0


--zd8Z8rlPOcTi77n/
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v3-0006-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v5 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  6 ++----
 2 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 77a7b0ca769..1afa2531f30 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 1dc0d01cc85..e148b1ad8e3 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4000,9 +4000,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8593,7 +8590,8 @@
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.52.0


--m23X5uHFNxthGTU3
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v5-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v7 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use proargdefaults to handle the
optional pretty argument.
---
 src/backend/utils/adt/ruleutils.c | 17 -----------------
 src/include/catalog/pg_proc.dat   |  8 +++-----
 2 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 55926ec15e0..2d39bce7fd7 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2420,23 +2420,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index dfedf5c2851..39139fd9e3b 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -4006,9 +4006,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8604,9 +8601,10 @@
   proname => 'pg_get_indexdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid int4 bool', proargnames => '{index,column,pretty}',
   proargdefaults => '{0,false}', prosrc => 'pg_get_indexdef' },
-{ oid => '2508', descr => 'constraint description with pretty-print option',
+{ oid => '2508', descr => 'constraint description',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', proargnames => '{constraint,pretty}',
+  proargdefaults => '{false}', prosrc => 'pg_get_constraintdef' },
 { oid => '8760', descr => 'get DDL to recreate a role',
   proname => 'pg_get_role_ddl', provariadic => 'text', proisstrict => 'f',
   provolatile => 's', proretset => 't', prorows => '10', prorettype => 'text',
-- 
2.52.0


--GzYugJnip6WHHvTk
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v7-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v1 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index f7b9d26089a..1f89dcc7908 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 92e2f987074..416144c49f5 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 62b997a1653..a9431ea4037 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3977,9 +3977,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8501,7 +8498,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.51.2


--IRGsBYp1UN8d6WrT
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment;
	filename=v1-0005-Handle-pg_get_expr-default-args-in-system_functio.patch



^ permalink  raw  reply  [nested|flat] 134+ messages in thread

* [PATCH v2 4/6] Handle pg_get_constraintdef default args in system_functions.sql
@ 2025-12-09 18:59 Mark Wong <[email protected]>
  0 siblings, 0 replies; 134+ messages in thread

From: Mark Wong @ 2025-12-09 18:59 UTC (permalink / raw)

Modernize pg_get_constraintdef to use CREATE OR REPLACE FUNCTION to
handle the optional pretty argument.
---
 src/backend/catalog/system_functions.sql |  7 +++++++
 src/backend/utils/adt/ruleutils.c        | 17 -----------------
 src/include/catalog/pg_proc.dat          |  5 +----
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
index 72f5fdc06f9..1824faab231 100644
--- a/src/backend/catalog/system_functions.sql
+++ b/src/backend/catalog/system_functions.sql
@@ -685,6 +685,13 @@ LANGUAGE INTERNAL
 PARALLEL SAFE
 AS 'pg_get_indexdef';
 
+CREATE OR REPLACE FUNCTION
+  pg_get_constraintdef("constraint" oid, pretty bool DEFAULT false)
+RETURNS TEXT
+LANGUAGE INTERNAL
+PARALLEL SAFE
+AS 'pg_get_constraintdef';
+
 --
 -- The default permissions for functions mean that anyone can execute them.
 -- A number of functions shouldn't be executable by just anyone, but rather
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index bb5863212cd..9faf340f0c6 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -2061,23 +2061,6 @@ pg_get_partconstrdef_string(Oid partitionId, char *aliasname)
  */
 Datum
 pg_get_constraintdef(PG_FUNCTION_ARGS)
-{
-	Oid			constraintId = PG_GETARG_OID(0);
-	int			prettyFlags;
-	char	   *res;
-
-	prettyFlags = PRETTYFLAG_INDENT;
-
-	res = pg_get_constraintdef_worker(constraintId, false, prettyFlags, true);
-
-	if (res == NULL)
-		PG_RETURN_NULL();
-
-	PG_RETURN_TEXT_P(string_to_text(res));
-}
-
-Datum
-pg_get_constraintdef_ext(PG_FUNCTION_ARGS)
 {
 	Oid			constraintId = PG_GETARG_OID(0);
 	bool		pretty = PG_GETARG_BOOL(1);
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index 56f68cee830..96eb7baf8e0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -3986,9 +3986,6 @@
 { oid => '1662', descr => 'trigger description',
   proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
   proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
-{ oid => '1387', descr => 'constraint description',
-  proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid', prosrc => 'pg_get_constraintdef' },
 { oid => '1716', descr => 'deparse an encoded expression',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
   proargtypes => 'pg_node_tree oid', prosrc => 'pg_get_expr' },
@@ -8517,7 +8514,7 @@
   proargtypes => 'oid int4 bool', prosrc => 'pg_get_indexdef' },
 { oid => '2508', descr => 'constraint description with pretty-print option',
   proname => 'pg_get_constraintdef', provolatile => 's', prorettype => 'text',
-  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef_ext' },
+  proargtypes => 'oid bool', prosrc => 'pg_get_constraintdef' },
 { oid => '2509',
   descr => 'deparse an encoded expression with pretty-print option',
   proname => 'pg_get_expr', provolatile => 's', prorettype => 'text',
-- 
2.43.0


--3/nz5wg6+DYwHsLU
Content-Type: text/x-diff; charset=us-ascii
Content-Disposition: attachment;
	filename="v2-0005-Handle-pg_get_expr-default-args-in-system_functio.patch"



^ permalink  raw  reply  [nested|flat] 134+ messages in thread