Tom Lane wrote: > Christopher Kings-Lynne <[EMAIL PROTECTED]> writes: > >> So some changing-oid operations like vacuum full, reindex, etc will not > >> affect these system catalogs? > > > Is it possible to cluster system tables? > > No, and yes. CLUSTER, REINDEX, and similar things change the > relfilenode, not the relation OID. > > If you are looking for things that will fundamentally break the system, > try renaming one of the indexes of a core system catalog ;-). We could > avoid that dependency if we went by OIDs instead.
Right now you can use a temporary table in place of a system table using the temporary schema. Would that still work? test=> BEGIN; BEGIN test=> CREATE temporary TABLE pg_class(x INT); CREATE TABLE test=> INSERT INTO pg_class VALUES (1); INSERT 0 1 test=> SELECT * FROM pg_class; x --- 1 (1 row) -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org