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help / color / mirror / Atom feedFrom: Yugo Nagata <[email protected]>
Subject: [PATCH v25 05/15] Add Incremental View Maintenance support to pg_dump
Date: Wed, 11 Nov 2020 17:01:25 +0900
Support CREATE INCREMENTAL MATERIALIZED VIEW syntax.
---
src/bin/pg_dump/pg_dump.c | 18 +++++++++++++++---
src/bin/pg_dump/pg_dump.h | 1 +
src/bin/pg_dump/t/002_pg_dump.pl | 15 +++++++++++++++
3 files changed, 31 insertions(+), 3 deletions(-)
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index e3ddf19959..99cdca23a6 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -5979,6 +5979,7 @@ getTables(Archive *fout, int *numTables)
int i_relacl;
int i_acldefault;
int i_ispartition;
+ int i_isivm;
/*
* Find all the tables and table-like objects.
@@ -6081,10 +6082,17 @@ getTables(Archive *fout, int *numTables)
if (fout->remoteVersion >= 100000)
appendPQExpBufferStr(query,
- "c.relispartition AS ispartition ");
+ "c.relispartition AS ispartition, ");
else
appendPQExpBufferStr(query,
- "false AS ispartition ");
+ "false AS ispartition, ");
+
+ if (fout->remoteVersion >= 150000)
+ appendPQExpBufferStr(query,
+ "c.relisivm AS isivm ");
+ else
+ appendPQExpBufferStr(query,
+ "false AS isivm ");
/*
* Left join to pg_depend to pick up dependency info linking sequences to
@@ -6193,6 +6201,7 @@ getTables(Archive *fout, int *numTables)
i_relacl = PQfnumber(res, "relacl");
i_acldefault = PQfnumber(res, "acldefault");
i_ispartition = PQfnumber(res, "ispartition");
+ i_isivm = PQfnumber(res, "isivm");
if (dopt->lockWaitTimeout)
{
@@ -6270,6 +6279,7 @@ getTables(Archive *fout, int *numTables)
tblinfo[i].amname = pg_strdup(PQgetvalue(res, i, i_amname));
tblinfo[i].is_identity_sequence = (strcmp(PQgetvalue(res, i, i_is_identity_sequence), "t") == 0);
tblinfo[i].ispartition = (strcmp(PQgetvalue(res, i, i_ispartition), "t") == 0);
+ tblinfo[i].isivm = (strcmp(PQgetvalue(res, i, i_isivm), "t") == 0);
/* other fields were zeroed above */
@@ -14997,9 +15007,11 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
binary_upgrade_set_pg_class_oids(fout, q,
tbinfo->dobj.catId.oid, false);
- appendPQExpBuffer(q, "CREATE %s%s %s",
+ appendPQExpBuffer(q, "CREATE %s%s%s %s",
tbinfo->relpersistence == RELPERSISTENCE_UNLOGGED ?
"UNLOGGED " : "",
+ tbinfo->relkind == RELKIND_MATVIEW && tbinfo->isivm ?
+ "INCREMENTAL " : "",
reltypename,
qualrelname);
diff --git a/src/bin/pg_dump/pg_dump.h b/src/bin/pg_dump/pg_dump.h
index 066a129ee5..7e80748d53 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -318,6 +318,7 @@ typedef struct _tableInfo
bool dummy_view; /* view's real definition must be postponed */
bool postponed_def; /* matview must be postponed into post-data */
bool ispartition; /* is table a partition? */
+ bool isivm; /* is incrementally maintainable materialized view? */
/*
* These fields are computed only if we decide the table is interesting
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 39fa1952e7..5fc70c30c1 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -2232,6 +2232,21 @@ my %tests = (
{ exclude_dump_test_schema => 1, no_toast_compression => 1, },
},
+ 'CREATE MATERIALIZED VIEW matview_ivm' => {
+ create_order => 21,
+ create_sql => 'CREATE INCREMENTAL MATERIALIZED VIEW dump_test.matview_ivm (col1) AS
+ SELECT col1 FROM dump_test.test_table;',
+ regexp => qr/^
+ \QCREATE INCREMENTAL MATERIALIZED VIEW dump_test.matview_ivm AS\E
+ \n\s+\QSELECT test_table.col1\E
+ \n\s+\QFROM dump_test.test_table\E
+ \n\s+\QWITH NO DATA;\E
+ /xm,
+ like =>
+ { %full_runs, %dump_test_schema_runs, section_pre_data => 1, },
+ unlike => { exclude_dump_test_schema => 1, },
+ },
+
'CREATE POLICY p1 ON test_table' => {
create_order => 22,
create_sql => 'CREATE POLICY p1 ON dump_test.test_table
--
2.17.1
--Multipart=_Fri__4_Feb_2022_01_48_06_+0900_N8BNZpfOR27sWrgY
Content-Type: text/x-diff;
name="v25-0004-Allow-to-prolong-life-span-of-transition-tables-.patch"
Content-Disposition: attachment;
filename="v25-0004-Allow-to-prolong-life-span-of-transition-tables-.patch"
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