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Commit9be7ea0

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committed
Remove unneeded indxqual field in IndexScanState, and the useless work
spent initializing it during indexscan startup.
1 parent303f464 commit9be7ea0

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2 files changed

+10
-6
lines changed

2 files changed

+10
-6
lines changed

‎src/backend/executor/nodeIndexscan.c

Lines changed: 7 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/executor/nodeIndexscan.c,v 1.91 2004/02/03 17:34:02 tgl Exp $
11+
* $PostgreSQL: pgsql/src/backend/executor/nodeIndexscan.c,v 1.92 2004/02/28 19:46:05 tgl Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -669,16 +669,19 @@ ExecInitIndexScan(IndexScan *node, EState *estate)
669669

670670
/*
671671
* initialize child expressions
672+
*
673+
* Note: we don't initialize all of the indxqual expression, only the
674+
* sub-parts corresponding to runtime keys (see below). The indxqualorig
675+
* expression is always initialized even though it will only be used in
676+
* some uncommon cases --- would be nice to improve that. (Problem is
677+
* that any SubPlans present in the expression must be found now...)
672678
*/
673679
indexstate->ss.ps.targetlist= (List*)
674680
ExecInitExpr((Expr*)node->scan.plan.targetlist,
675681
(PlanState*)indexstate);
676682
indexstate->ss.ps.qual= (List*)
677683
ExecInitExpr((Expr*)node->scan.plan.qual,
678684
(PlanState*)indexstate);
679-
indexstate->indxqual= (List*)
680-
ExecInitExpr((Expr*)node->indxqual,
681-
(PlanState*)indexstate);
682685
indexstate->indxqualorig= (List*)
683686
ExecInitExpr((Expr*)node->indxqualorig,
684687
(PlanState*)indexstate);

‎src/include/nodes/execnodes.h

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
10-
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.111 2004/01/22 02:23:21 tgl Exp $
10+
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.112 2004/02/28 19:46:06 tgl Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -765,8 +765,10 @@ typedef ScanState SeqScanState;
765765
/* ----------------
766766
* IndexScanState information
767767
*
768+
*indxqualorig execution state for indxqualorig expressions
768769
*NumIndices number of indices in this scan
769770
*IndexPtr current index in use
771+
*MarkIndexPtr IndexPtr for marked scan point
770772
*ScanKeys Skey structures to scan index rels
771773
*NumScanKeys array of no of keys in each Skey struct
772774
*RuntimeKeyInfo array of array of exprstates for Skeys
@@ -783,7 +785,6 @@ typedef ScanState SeqScanState;
783785
typedefstructIndexScanState
784786
{
785787
ScanStatess;/* its first field is NodeTag */
786-
List*indxqual;
787788
List*indxqualorig;
788789
intiss_NumIndices;
789790
intiss_IndexPtr;

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