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-rw-r--r--src/backend/utils/cache/plancache.c13
-rw-r--r--src/backend/utils/misc/guc.c15
-rw-r--r--src/include/utils/plancache.h3
3 files changed, 12 insertions, 19 deletions
diff --git a/src/backend/utils/cache/plancache.c b/src/backend/utils/cache/plancache.c
index 75810caa732..21aed6eadbe 100644
--- a/src/backend/utils/cache/plancache.c
+++ b/src/backend/utils/cache/plancache.c
@@ -33,7 +33,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/cache/plancache.c,v 1.9 2007/05/14 18:13:21 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/cache/plancache.c,v 1.10 2007/06/05 20:00:41 wieck Exp $
*
*-------------------------------------------------------------------------
*/
@@ -944,14 +944,3 @@ InvalRelid(Oid relid, LOCKMODE lockmode, InvalRelidContext *context)
if (relid == context->inval_relid || context->inval_relid == InvalidOid)
context->plan->dead = true;
}
-
-
-/*
- * HaveCachedPlans
- * Check if the plancache has stored any plans at all.
- */
-bool
-HaveCachedPlans(void)
-{
- return (cached_plans_list != NIL);
-}
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index ec547a66706..3428d0a172f 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.393 2007/06/03 17:07:34 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.394 2007/06/05 20:00:41 wieck Exp $
*
*--------------------------------------------------------------------
*/
@@ -6270,24 +6270,29 @@ assign_defaultxactisolevel(const char *newval, bool doit, GucSource source)
static const char *
assign_session_replication_role(const char *newval, bool doit, GucSource source)
{
- if (HaveCachedPlans())
- elog(ERROR, "session_replication_role cannot be changed "
- "after prepared plans have been cached");
-
if (pg_strcasecmp(newval, "origin") == 0)
{
if (doit)
+ {
+ ResetPlanCache();
SessionReplicationRole = SESSION_REPLICATION_ROLE_ORIGIN;
+ }
}
else if (pg_strcasecmp(newval, "replica") == 0)
{
if (doit)
+ {
+ ResetPlanCache();
SessionReplicationRole = SESSION_REPLICATION_ROLE_REPLICA;
+ }
}
else if (pg_strcasecmp(newval, "local") == 0)
{
if (doit)
+ {
+ ResetPlanCache();
SessionReplicationRole = SESSION_REPLICATION_ROLE_LOCAL;
+ }
}
else
return NULL;
diff --git a/src/include/utils/plancache.h b/src/include/utils/plancache.h
index aebbbadaf51..d8152142aac 100644
--- a/src/include/utils/plancache.h
+++ b/src/include/utils/plancache.h
@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/utils/plancache.h,v 1.6 2007/04/16 18:21:07 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/utils/plancache.h,v 1.7 2007/06/05 20:00:41 wieck Exp $
*
*-------------------------------------------------------------------------
*/
@@ -106,7 +106,6 @@ extern CachedPlan *RevalidateCachedPlan(CachedPlanSource *plansource,
bool useResOwner);
extern void ReleaseCachedPlan(CachedPlan *plan, bool useResOwner);
extern TupleDesc PlanCacheComputeResultDesc(List *stmt_list);
-extern bool HaveCachedPlans(void);
extern void ResetPlanCache(void);