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Clean up API for ambulkdelete/amvacuumcleanup as per today's discussion.

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This formulation requires every AM to provide amvacuumcleanup, unlike before,
but it's surely a whole lot cleaner.  Also, add an 'amstorage' column to
pg_am so that we can get rid of hardwired knowledge in DefineOpClass().
This commit is contained in:
Tom Lane
2006-05-02 22:25:10 +00:00
parent d3171dd64b
commit e57345975c
16 changed files with 334 additions and 399 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 1.146 2006/05/02 15:45:37 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.147 2006/05/02 22:25:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -339,6 +339,12 @@ check_index_is_clusterable(Relation OldHeap, Oid indexOid, bool recheck)
errmsg("cannot cluster on partial index \"%s\"",
RelationGetRelationName(OldIndex))));
if (!OldIndex->rd_am->amclusterable)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot cluster on index \"%s\" because access method does not support clustering",
RelationGetRelationName(OldIndex))));
if (!OldIndex->rd_am->amindexnulls)
{
AttrNumber colno;
@ -376,12 +382,6 @@ check_index_is_clusterable(Relation OldHeap, Oid indexOid, bool recheck)
RelationGetRelationName(OldIndex))));
}
if (!OldIndex->rd_am->amclusterable)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot cluster on index \"%s\" because access method does not support clustering",
RelationGetRelationName(OldIndex))));
/*
* Disallow clustering system relations. This will definitely NOT work
* for shared relations (we have no way to update pg_class rows in other