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help / color / mirror / Atom feedFrom: Yugo Nagata <[email protected]>
Subject: [PATCH v31 02/11] Add relisivm column to pg_class system catalog
Date: Fri, 20 Dec 2019 10:07:23 +0900
If this boolean column is true, a relations is Incrementally Maintainable
Materialized View (IMMV). This is set when IMMV is created.
Also, isimmv columns is added to pg_matviews system view.
isimmv
---
src/backend/catalog/heap.c | 1 +
src/backend/catalog/index.c | 1 +
src/backend/catalog/system_views.sql | 1 +
src/backend/utils/cache/lsyscache.c | 24 ++++++++++++++++++++++++
src/backend/utils/cache/relcache.c | 2 ++
src/include/catalog/pg_class.h | 3 +++
src/include/utils/lsyscache.h | 1 +
src/include/utils/rel.h | 6 ++++++
src/test/regress/expected/rules.out | 1 +
9 files changed, 40 insertions(+)
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index cc31909012..1d2e2228c4 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -937,6 +937,7 @@ InsertPgClassTuple(Relation pg_class_desc,
values[Anum_pg_class_relrewrite - 1] = ObjectIdGetDatum(rd_rel->relrewrite);
values[Anum_pg_class_relfrozenxid - 1] = TransactionIdGetDatum(rd_rel->relfrozenxid);
values[Anum_pg_class_relminmxid - 1] = MultiXactIdGetDatum(rd_rel->relminmxid);
+ values[Anum_pg_class_relisivm - 1] = BoolGetDatum(rd_rel->relisivm);
if (relacl != (Datum) 0)
values[Anum_pg_class_relacl - 1] = relacl;
else
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index b6a7c60e23..906ec6c088 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -1007,6 +1007,7 @@ index_create(Relation heapRelation,
indexRelation->rd_rel->relowner = heapRelation->rd_rel->relowner;
indexRelation->rd_rel->relam = accessMethodId;
indexRelation->rd_rel->relispartition = OidIsValid(parentIndexRelid);
+ indexRelation->rd_rel->relisivm = false;
/*
* store index's pg_class entry
diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index 401fb35947..16c3399975 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -146,6 +146,7 @@ CREATE VIEW pg_matviews AS
T.spcname AS tablespace,
C.relhasindex AS hasindexes,
C.relispopulated AS ispopulated,
+ C.relisivm AS isimmv,
pg_get_viewdef(C.oid) AS definition
FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
LEFT JOIN pg_tablespace T ON (T.oid = C.reltablespace)
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c
index 26368ffcc9..01af4ad5bb 100644
--- a/src/backend/utils/cache/lsyscache.c
+++ b/src/backend/utils/cache/lsyscache.c
@@ -2020,6 +2020,30 @@ get_rel_relispartition(Oid relid)
return false;
}
+/*
+ * get_rel_relisivm
+ *
+ * Returns the relisivm flag associated with a given relation.
+ */
+bool
+get_rel_relisivm(Oid relid)
+{
+ HeapTuple tp;
+
+ tp = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
+ if (HeapTupleIsValid(tp))
+ {
+ Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
+ bool result;
+
+ result = reltup->relisivm;
+ ReleaseSysCache(tp);
+ return result;
+ }
+ else
+ return false;
+}
+
/*
* get_rel_tablespace
*
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index 1f419c2a6d..71c0fd506c 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -1932,6 +1932,8 @@ formrdesc(const char *relationName, Oid relationReltype,
/* ... and they're always populated, too */
relation->rd_rel->relispopulated = true;
+ /* ... and they're always no ivm, too */
+ relation->rd_rel->relisivm = false;
relation->rd_rel->relreplident = REPLICA_IDENTITY_NOTHING;
relation->rd_rel->relpages = 0;
diff --git a/src/include/catalog/pg_class.h b/src/include/catalog/pg_class.h
index 0fc2c093b0..80cbee29ca 100644
--- a/src/include/catalog/pg_class.h
+++ b/src/include/catalog/pg_class.h
@@ -119,6 +119,9 @@ CATALOG(pg_class,1259,RelationRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(83,Relat
/* is relation a partition? */
bool relispartition BKI_DEFAULT(f);
+ /* is relation a matview with ivm? */
+ bool relisivm BKI_DEFAULT(f);
+
/* link to original rel during table rewrite; otherwise 0 */
Oid relrewrite BKI_DEFAULT(0) BKI_LOOKUP_OPT(pg_class);
diff --git a/src/include/utils/lsyscache.h b/src/include/utils/lsyscache.h
index 35a8dec2b9..93c2fcb21c 100644
--- a/src/include/utils/lsyscache.h
+++ b/src/include/utils/lsyscache.h
@@ -137,6 +137,7 @@ extern Oid get_rel_namespace(Oid relid);
extern Oid get_rel_type_id(Oid relid);
extern char get_rel_relkind(Oid relid);
extern bool get_rel_relispartition(Oid relid);
+extern bool get_rel_relisivm(Oid relid);
extern Oid get_rel_tablespace(Oid relid);
extern char get_rel_persistence(Oid relid);
extern Oid get_rel_relam(Oid relid);
diff --git a/src/include/utils/rel.h b/src/include/utils/rel.h
index f25f769af2..d3144c949f 100644
--- a/src/include/utils/rel.h
+++ b/src/include/utils/rel.h
@@ -678,6 +678,12 @@ RelationCloseSmgr(Relation relation)
*/
#define RelationIsPopulated(relation) ((relation)->rd_rel->relispopulated)
+/*
+ * RelationIsIVM
+ * True if relation is an incrementally maintainable materialized view.
+ */
+#define RelationIsIVM(relation) ((relation)->rd_rel->relisivm)
+
/*
* RelationIsAccessibleInLogicalDecoding
* True if we need to log enough information to have access via
diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out
index f53c3036a6..c6e878c3ab 100644
--- a/src/test/regress/expected/rules.out
+++ b/src/test/regress/expected/rules.out
@@ -1392,6 +1392,7 @@ pg_matviews| SELECT n.nspname AS schemaname,
t.spcname AS tablespace,
c.relhasindex AS hasindexes,
c.relispopulated AS ispopulated,
+ c.relisivm AS isimmv,
pg_get_viewdef(c.oid) AS definition
FROM ((pg_class c
LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace)))
--
2.25.1
--Multipart=_Fri__29_Mar_2024_23_47_00_+0900_KGpmmDOIs1266Ib1
Content-Type: text/x-diff;
name="v31-0003-Allow-to-prolong-life-span-of-transition-tables-.patch"
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filename="v31-0003-Allow-to-prolong-life-span-of-transition-tables-.patch"
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