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help / color / mirror / Atom feedFrom: Yugo Nagata <[email protected]>
Subject: [PATCH v39 4/8] 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 | 14 +++++++++++++-
src/bin/pg_dump/pg_dump.h | 2 ++
src/bin/pg_dump/t/002_pg_dump.pl | 18 ++++++++++++++++++
3 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index f67daf85911..9a5f65659e3 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -7196,6 +7196,7 @@ 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.
@@ -7277,6 +7278,13 @@ getTables(Archive *fout, int *numTables)
appendPQExpBufferStr(query,
"c.relispartition AS ispartition ");
+ if (fout->remoteVersion >= 200000)
+ 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
* their owning column, if any (note this dependency is AUTO except for
@@ -7387,6 +7395,7 @@ 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)
{
@@ -7469,6 +7478,7 @@ 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 */
@@ -17202,10 +17212,12 @@ dumpTableSchema(Archive *fout, const TableInfo *tbinfo)
* PostgreSQL 18 has disabled UNLOGGED for partitioned tables, so
* ignore it when dumping if it was set in this case.
*/
- appendPQExpBuffer(q, "CREATE %s%s %s",
+ appendPQExpBuffer(q, "CREATE %s%s%s %s",
(tbinfo->relpersistence == RELPERSISTENCE_UNLOGGED &&
tbinfo->relkind != RELKIND_PARTITIONED_TABLE) ?
"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 5a6726d8b12..4408c504323 100644
--- a/src/bin/pg_dump/pg_dump.h
+++ b/src/bin/pg_dump/pg_dump.h
@@ -347,6 +347,8 @@ typedef struct _tableInfo
int numParents; /* number of (immediate) parent tables */
struct _tableInfo **parents; /* TableInfos of immediate parents */
+ bool isivm; /* is incrementally maintainable materialized view? */
+
/*
* These fields are computed only if we decide the table is interesting
* (it's either a table to dump, or a direct parent of a dumpable table).
diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl
index 9258948b583..8abde57e4f3 100644
--- a/src/bin/pg_dump/t/002_pg_dump.pl
+++ b/src/bin/pg_dump/t/002_pg_dump.pl
@@ -3033,6 +3033,24 @@ my %tests = (
},
},
+ '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 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,
+ only_dump_measurement => 1,
+ },
+ },
+
'CREATE POLICY p1 ON test_table' => {
create_order => 22,
create_sql => 'CREATE POLICY p1 ON dump_test.test_table
--
2.43.0
--Multipart=_Fri__3_Jul_2026_19_11_16_+0900_CskxSIu_iGcDMEyM
Content-Type: text/x-diff;
name="v39-0003-Allow-to-prolong-life-span-of-transition-tables-.patch"
Content-Disposition: attachment;
filename="v39-0003-Allow-to-prolong-life-span-of-transition-tables-.patch"
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