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Remove unneeded indxqual field in IndexScanState, and the useless work 

spent initializing it during indexscan startup.
This commit is contained in:
Tom Lane 2004-02-28 19:46:06 +00:00
parent 303f4649a2
commit 9be7ea088c
2 changed files with 10 additions and 6 deletions
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11
src/backend/executor/nodeIndexscan.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/nodeIndexscan.c,v 1.91 2004/02/03 17:34:02 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/nodeIndexscan.c,v 1.92 2004/02/28 19:46:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -669,6 +669,12 @@ ExecInitIndexScan(IndexScan *node, EState *estate)
/*
* initialize child expressions
*
* Note: we don't initialize all of the indxqual expression, only the
* sub-parts corresponding to runtime keys (see below). The indxqualorig
* expression is always initialized even though it will only be used in
* some uncommon cases --- would be nice to improve that. (Problem is
* that any SubPlans present in the expression must be found now...)
*/
indexstate->ss.ps.targetlist = (List *)
ExecInitExpr((Expr *) node->scan.plan.targetlist,
@ -676,9 +682,6 @@ ExecInitIndexScan(IndexScan *node, EState *estate)
indexstate->ss.ps.qual = (List *)
ExecInitExpr((Expr *) node->scan.plan.qual,
(PlanState *) indexstate);
indexstate->indxqual = (List *)
ExecInitExpr((Expr *) node->indxqual,
(PlanState *) indexstate);
indexstate->indxqualorig = (List *)
ExecInitExpr((Expr *) node->indxqualorig,
(PlanState *) indexstate);

5
src/include/nodes/execnodes.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.111 2004/01/22 02:23:21 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.112 2004/02/28 19:46:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -765,8 +765,10 @@ typedef ScanState SeqScanState;
/* ----------------
* IndexScanState information
*
* indxqualorig execution state for indxqualorig expressions
* NumIndices number of indices in this scan
* IndexPtr current index in use
* MarkIndexPtr IndexPtr for marked scan point
* ScanKeys Skey structures to scan index rels
* NumScanKeys array of no of keys in each Skey struct
* RuntimeKeyInfo array of array of exprstates for Skeys
@ -783,7 +785,6 @@ typedef ScanState SeqScanState;
typedef struct IndexScanState
{
ScanState ss; /* its first field is NodeTag */
List *indxqual;
List *indxqualorig;
int iss_NumIndices;
int iss_IndexPtr;