database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-23 14:01:44 +03:00
Code Activity

Make ALTER COLUMN TYPE preserve clustered status for indexes it doesn't

Browse Source 
modify.  Also fix a passel of problems with ALTER TABLE CLUSTER ON:
failure to check that the index is safe to cluster on (or even belongs
to the indicated rel, or even exists), and failure to broadcast a relcache
flush event when changing an index's state.
This commit is contained in:
Tom Lane
2004-05-06 16:10:57 +00:00
parent eee6f9d5c2
commit 8325a8d69e
5 changed files with 100 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/backend/utils/cache/inval.c vendored
View File

@ -74,7 +74,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/inval.c,v 1.60 2004/02/10 01:55:26 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/inval.c,v 1.61 2004/05/06 16:10:57 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -88,6 +88,7 @@
#include "utils/inval.h"
#include "utils/memutils.h"
#include "utils/relcache.h"
#include "utils/syscache.h"
/*
@ -765,6 +766,26 @@ CacheInvalidateRelcacheByTuple(HeapTuple classTuple)
RegisterRelcacheInvalidation(databaseId, relationId, rnode);
}
/*
* CacheInvalidateRelcacheByRelid
* As above, but relation is identified by passing its OID.
* This is the least efficient of the three options; use one of
* the above routines if you have a Relation or pg_class tuple.
*/
void
CacheInvalidateRelcacheByRelid(Oid relid)
{
HeapTuple tup;
tup = SearchSysCache(RELOID,
ObjectIdGetDatum(relid),
0, 0, 0);
if (!HeapTupleIsValid(tup))
elog(ERROR, "cache lookup failed for relation %u", relid);
CacheInvalidateRelcacheByTuple(tup);
ReleaseSysCache(tup);
}
/*
* CacheRegisterSyscacheCallback
* Register the specified function to be called for all future