コード例 #1
0
ファイル: pg_publication.c プロジェクト: adityavs/postgres
/*
 * Returns if relation represented by oid and Form_pg_class entry
 * is publishable.
 *
 * Does same checks as the above, but does not need relation to be opened
 * and also does not throw errors.
 *
 * Note this also excludes all tables with relid < FirstNormalObjectId,
 * ie all tables created during initdb.  This mainly affects the preinstalled
 * information_schema.  (IsCatalogClass() only checks for these inside
 * pg_catalog and toast schemas.)
 */
static bool
is_publishable_class(Oid relid, Form_pg_class reltuple)
{
	return reltuple->relkind == RELKIND_RELATION &&
		!IsCatalogClass(relid, reltuple) &&
		reltuple->relpersistence == RELPERSISTENCE_PERMANENT &&
		relid >= FirstNormalObjectId;
}
コード例 #2
0
ファイル: catalog.c プロジェクト: bitnine-oss/agens-graph
/*
 * IsCatalogRelation
 *		True iff the relation is a system catalog, or the toast table for
 *		a system catalog.  By a system catalog, we mean one that created
 *		in the pg_catalog schema during initdb.  As with IsSystemRelation(),
 *		user-created relations in pg_catalog don't count as system catalogs.
 *
 *		Note that IsSystemRelation() returns true for ALL toast relations,
 *		but this function returns true only for toast relations of system
 *		catalogs.
 */
bool
IsCatalogRelation(Relation relation)
{
	return IsCatalogClass(RelationGetRelid(relation), relation->rd_rel);
}
コード例 #3
0
ファイル: catalog.c プロジェクト: bitnine-oss/agens-graph
/*
 * IsSystemClass
 *		Like the above, but takes a Form_pg_class as argument.
 *		Used when we do not want to open the relation and have to
 *		search pg_class directly.
 */
bool
IsSystemClass(Oid relid, Form_pg_class reltuple)
{
	return IsToastClass(reltuple) || IsCatalogClass(relid, reltuple);
}