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First cut at implementing IN (and NOT IN) via hashtables. There is

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more to be done yet, but this is a good start.
This commit is contained in:
Tom Lane
2003-01-12 04:03:34 +00:00
parent 3e54e26bcf
commit 19b886332a
7 changed files with 712 additions and 132 deletions
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12
src/include/executor/executor.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: executor.h,v 1.86 2003/01/10 23:54:24 tgl Exp $
* $Id: executor.h,v 1.87 2003/01/12 04:03:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -46,6 +46,13 @@ extern bool execTuplesMatch(HeapTuple tuple1,
AttrNumber *matchColIdx,
FmgrInfo *eqfunctions,
MemoryContext evalContext);
extern bool execTuplesUnequal(HeapTuple tuple1,
HeapTuple tuple2,
TupleDesc tupdesc,
int numCols,
AttrNumber *matchColIdx,
FmgrInfo *eqfunctions,
MemoryContext evalContext);
extern FmgrInfo *execTuplesMatchPrepare(TupleDesc tupdesc,
int numCols,
AttrNumber *matchColIdx);
@ -214,6 +221,9 @@ extern void ExecAssignResultType(PlanState *planstate,
extern void ExecAssignResultTypeFromOuterPlan(PlanState *planstate);
extern void ExecAssignResultTypeFromTL(PlanState *planstate);
extern TupleDesc ExecGetResultType(PlanState *planstate);
extern ProjectionInfo *ExecBuildProjectionInfo(List *targetList,
ExprContext *econtext,
TupleTableSlot *slot);
extern void ExecAssignProjectionInfo(PlanState *planstate);
extern void ExecFreeExprContext(PlanState *planstate);
extern TupleDesc ExecGetScanType(ScanState *scanstate);