diff options
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index 096a3cb942b..15b676dd590 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.129 2005/10/15 02:49:31 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.129.2.1 2007/10/13 15:55:58 tgl Exp $ * * NOTES * Eventually, the index information should go through here, too. @@ -1068,6 +1068,35 @@ get_rel_relkind(Oid relid) return '\0'; } +/* + * get_rel_tablespace + * + * Returns the pg_tablespace OID associated with a given relation. + * + * Note: InvalidOid might mean either that we couldn't find the relation, + * or that it is in the database's default tablespace. + */ +Oid +get_rel_tablespace(Oid relid) +{ + HeapTuple tp; + + tp = SearchSysCache(RELOID, + ObjectIdGetDatum(relid), + 0, 0, 0); + if (HeapTupleIsValid(tp)) + { + Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp); + Oid result; + + result = reltup->reltablespace; + ReleaseSysCache(tp); + return result; + } + else + return InvalidOid; +} + /* ---------- TYPE CACHE ---------- */ |