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Fix the database-wide version of CLUSTER to silently skip temp tables of

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remote sessions, instead of erroring out in the middle of the operation.

This is a backpatch of a previous fix applied to CLUSTER to HEAD and 8.2, all
the way back that it is relevant to.
This commit is contained in:
Alvaro Herrera
2007-09-12 15:16:23 +00:00
parent d48f8ab8e1
commit bf476b94b1
1 changed files with 13 additions and 1 deletions
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14
src/backend/commands/cluster.c
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.131.4.1 2005/02/06 20:19:24 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.131.4.2 2007/09/12 15:16:23 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@@ -291,6 +291,18 @@ cluster_rel(RelToCluster *rvtc, bool recheck)
*/
OldHeap = heap_open(rvtc->tableOid, AccessExclusiveLock);
/*
* Don't allow cluster on temp tables of other backends ... their
* local buffer manager is not going to cope. In the recheck case,
* silently skip it. Otherwise continue -- there is a hard error
* in check_index_is_clusterable.
*/
if (recheck && isOtherTempNamespace(RelationGetNamespace(OldHeap)))
{
heap_close(OldHeap, AccessExclusiveLock);
return;
}
/* Check index is valid to cluster on */
check_index_is_clusterable(OldHeap, rvtc->indexOid);