Fix plancache's invalidation callback to do the right thing for a SI

reset event, namely invalidate everything.  This oversight probably
explains the rare failures that some buildfarm machines have been
showing for the plancache regression test.
This commit is contained in:
Tom Lane 2007-03-26 00:36:19 +00:00
parent 1cc97d175c
commit dc1b8cea93

View File

@ -33,7 +33,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/plancache.c,v 1.4 2007/03/23 19:53:51 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/plancache.c,v 1.5 2007/03/26 00:36:19 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -812,6 +812,9 @@ PlanCacheComputeResultDesc(List *stmt_list)
/*
* PlanCacheCallback
* Relcache inval callback function
*
* Invalidate all plans mentioning the given rel, or all plans mentioning
* any rel at all if relid == InvalidOid.
*/
static void
PlanCacheCallback(Datum arg, Oid relid)
@ -843,7 +846,7 @@ PlanCacheCallback(Datum arg, Oid relid)
if (rte->rtekind != RTE_RELATION)
continue;
if (relid == rte->relid)
if (relid == rte->relid || relid == InvalidOid)
{
/* Invalidate the plan! */
plan->dead = true;
@ -883,10 +886,11 @@ PlanCacheCallback(Datum arg, Oid relid)
static void
InvalRelid(Oid relid, LOCKMODE lockmode, InvalRelidContext *context)
{
if (relid == context->inval_relid)
if (relid == context->inval_relid || context->inval_relid == InvalidOid)
context->plan->dead = true;
}
/*
* HaveCachedPlans
* Check if the plancache has stored any plans at all.
@ -896,4 +900,3 @@ HaveCachedPlans(void)
{
return (cached_plans_list != NIL);
}