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Avoid duplicate ExecTypeFromTL() call in ExecInitJunkFilter() by passing

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in the TupleDesc that the caller already has (for call from ExecMain) or
can make just as easily as ExecInitJunkFilter() can (for call from
ExecAppend).  Also, don't bother to build a junk filter for an INSERT
operation that doesn't actually need one, which is the normal case.
This commit is contained in:
Tom Lane
1999-10-30 23:13:30 +00:00
parent 4ce4d7f7d3
commit 5b9d655ba7
4 changed files with 40 additions and 49 deletions
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4
src/include/executor/executor.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: executor.h,v 1.38 1999/09/24 00:25:10 tgl Exp $
* $Id: executor.h,v 1.39 1999/10/30 23:13:30 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -53,7 +53,7 @@ extern Relation ExecCreatR(TupleDesc tupType, Oid relationOid);
/*
* prototypes from functions in execJunk.c
*/
extern JunkFilter *ExecInitJunkFilter(List *targetList);
extern JunkFilter *ExecInitJunkFilter(List *targetList, TupleDesc tupType);
extern bool ExecGetJunkAttribute(JunkFilter *junkfilter, TupleTableSlot *slot,
char *attrName, Datum *value, bool *isNull);
extern HeapTuple ExecRemoveJunk(JunkFilter *junkfilter, TupleTableSlot *slot);