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Improve the plan cache invalidation mechanism to make it invalidate plans

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when user-defined functions used in a plan are modified.  Also invalidate
plans when schemas, operators, or operator classes are modified; but for these
cases we just invalidate everything rather than tracking exact dependencies,
since these types of objects seldom change in a production database.

Tom Lane; loosely based on a patch by Martin Pihlak.
This commit is contained in:
Tom Lane
2008-09-09 18:58:09 +00:00
parent c06629c72e
commit ee33b95d9c
18 changed files with 522 additions and 275 deletions
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6
src/backend/utils/adt/acl.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/acl.c,v 1.141 2008/09/08 00:47:40 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/acl.c,v 1.142 2008/09/09 18:58:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -92,7 +92,7 @@ static AclMode convert_tablespace_priv_string(text *priv_type_text);
static AclMode convert_role_priv_string(text *priv_type_text);
static AclResult pg_role_aclcheck(Oid role_oid, Oid roleid, AclMode mode);
static void RoleMembershipCacheCallback(Datum arg, Oid relid);
static void RoleMembershipCacheCallback(Datum arg, int cacheid, ItemPointer tuplePtr);
/*
@ -2822,7 +2822,7 @@ initialize_acl(void)
* Syscache inval callback function
*/
static void
RoleMembershipCacheCallback(Datum arg, Oid relid)
RoleMembershipCacheCallback(Datum arg, int cacheid, ItemPointer tuplePtr)
{
/* Force membership caches to be recomputed on next use */
cached_privs_role = InvalidOid;