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Don't call ExecOpenIndices if pg_class relhasindex shows there are no

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indexes to open.  Avoid unnecessary work in ExecCheckPerm, too.
This commit is contained in:
Tom Lane
1999-11-01 05:09:18 +00:00
parent d40dbb7387
commit e81ad79de0
2 changed files with 28 additions and 38 deletions
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14
src/backend/executor/nodeAppend.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeAppend.c,v 1.27 1999/10/30 23:13:30 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeAppend.c,v 1.28 1999/11/01 05:09:18 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -181,7 +181,6 @@ ExecInitAppend(Append *node, EState *estate, Plan *parent)
{
AppendState *appendstate;
int nplans;
List *resultList = NULL;
List *rtable;
List *appendplans;
bool *initialized;
@ -246,13 +245,14 @@ ExecInitAppend(Append *node, EState *estate, Plan *parent)
if ((es_rri != (RelationInfo *) NULL) &&
(node->inheritrelid == es_rri->ri_RangeTableIndex))
{
RelationInfo *rri;
List *resultList = NIL;
List *rtentryP;
foreach(rtentryP, rtable)
{
Oid reloid;
RangeTblEntry *rtentry = lfirst(rtentryP);
RangeTblEntry *rtentry = lfirst(rtentryP);
Oid reloid;
RelationInfo *rri;
reloid = rtentry->relid;
rri = makeNode(RelationInfo);
@ -262,8 +262,10 @@ ExecInitAppend(Append *node, EState *estate, Plan *parent)
rri->ri_IndexRelationDescs = NULL; /* index descs */
rri->ri_IndexRelationInfo = NULL; /* index key info */
if (rri->ri_RelationDesc->rd_rel->relhasindex)
ExecOpenIndices(reloid, rri);
resultList = lcons(rri, resultList);
ExecOpenIndices(reloid, rri);
}
appendstate->as_result_relation_info_list = resultList;
}