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Allow reloption names to have qualifiers, initially supporting a TOAST

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qualifier, and add support for this in pg_dump.

This allows TOAST tables to have user-defined fillfactor, and will also
enable us to move the autovacuum parameters to reloptions without taking
away the possibility of setting values for TOAST tables.
This commit is contained in:
Alvaro Herrera
2009-02-02 19:31:40 +00:00
parent 80f95a6500
commit 3a5b773715
27 changed files with 455 additions and 130 deletions
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22
src/backend/commands/cluster.c
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@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.181 2009/01/16 13:27:23 heikki Exp $
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.182 2009/02/02 19:31:38 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -668,6 +668,7 @@ make_new_heap(Oid OIDOldHeap, const char *NewName, Oid NewTableSpace)
TupleDesc OldHeapDesc,
tupdesc;
Oid OIDNewHeap;
Oid toastid;
Relation OldHeap;
HeapTuple tuple;
Datum reloptions;
@ -726,7 +727,24 @@ make_new_heap(Oid OIDOldHeap, const char *NewName, Oid NewTableSpace)
* AlterTableCreateToastTable ends with CommandCounterIncrement(), so that
* the TOAST table will be visible for insertion.
*/
AlterTableCreateToastTable(OIDNewHeap);
toastid = OldHeap->rd_rel->reltoastrelid;
reloptions = (Datum) 0;
if (OidIsValid(toastid))
{
tuple = SearchSysCache(RELOID,
ObjectIdGetDatum(toastid),
0, 0, 0);
if (!HeapTupleIsValid(tuple))
elog(ERROR, "cache lookup failed for relation %u", toastid);
reloptions = SysCacheGetAttr(RELOID, tuple, Anum_pg_class_reloptions,
&isNull);
if (isNull)
reloptions = (Datum) 0;
}
AlterTableCreateToastTable(OIDNewHeap, reloptions);
if (OidIsValid(toastid))
ReleaseSysCache(tuple);
heap_close(OldHeap, NoLock);