From 07dba8ba54ddf0ed30ae516f0fa8848d694da32f Mon Sep 17 00:00:00 2001 From: Yugo Nagata Date: Fri, 20 Dec 2019 10:07:23 +0900 Subject: [PATCH v24 02/15] Add relisivm column to pg_class system catalog If this boolean column is true, a relations is Incrementally Maintainable Materialized View (IMMV). This is set when IMMV is created. --- src/backend/catalog/heap.c | 1 + src/backend/catalog/index.c | 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 | 2 ++ 7 files changed, 34 insertions(+) diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c index 83746d3fd9..ade3586779 100644 --- a/src/backend/catalog/heap.c +++ b/src/backend/catalog/heap.c @@ -963,6 +963,7 @@ 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 26bfa74ce7..763f442a1d 100644 --- a/src/backend/catalog/index.c +++ b/src/backend/catalog/index.c @@ -961,6 +961,7 @@ index_create(Relation heapRelation, indexRelation->rd_rel->relowner = heapRelation->rd_rel->relowner; indexRelation->rd_rel->relam = accessMethodObjectId; indexRelation->rd_rel->relispartition = OidIsValid(parentIndexRelid); + indexRelation->rd_rel->relisivm = false; /* * store index's pg_class entry diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index 4ebaa552a2..c626df32cc 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -2013,6 +2013,30 @@ 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 13d9994af3..5b130f0ed2 100644 --- a/src/backend/utils/cache/relcache.c +++ b/src/backend/utils/cache/relcache.c @@ -1865,6 +1865,8 @@ 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 fef9945ed8..2058978b89 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 77871aaefc..09346aaa17 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_transform_fromsql(Oid typid, Oid langid, List *trftypes); diff --git a/src/include/utils/rel.h b/src/include/utils/rel.h index b4faa1c123..b5028f3449 100644 --- a/src/include/utils/rel.h +++ b/src/include/utils/rel.h @@ -649,6 +649,8 @@ RelationGetSmgr(Relation rel) */ #define RelationIsPopulated(relation) ((relation)->rd_rel->relispopulated) +#define RelationIsIVM(relation) ((relation)->rd_rel->relisivm) + /* * RelationIsAccessibleInLogicalDecoding * True if we need to log enough information to have access via -- 2.17.1