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Make planner compute the number of hash buckets the same way that

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nodeHash.c will compute it (by sharing code).
This commit is contained in:
Tom Lane
2001-06-11 00:17:08 +00:00
parent ccda1a672c
commit 01a819abe3
3 changed files with 161 additions and 127 deletions
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9
src/include/executor/nodeHash.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodeHash.h,v 1.19 2001/03/22 04:00:44 momjian Exp $
* $Id: nodeHash.h,v 1.20 2001/06/11 00:17:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,9 +16,6 @@
#include "nodes/plannodes.h"
/* NTUP_PER_BUCKET is exported because planner wants to see it */
#define NTUP_PER_BUCKET 10
extern TupleTableSlot *ExecHash(Hash *node);
extern bool ExecInitHash(Hash *node, EState *estate, Plan *parent);
extern int ExecCountSlotsHash(Hash *node);
@ -35,5 +32,9 @@ extern HeapTuple ExecScanHashBucket(HashJoinState *hjstate, List *hjclauses,
ExprContext *econtext);
extern void ExecHashTableReset(HashJoinTable hashtable, long ntuples);
extern void ExecReScanHash(Hash *node, ExprContext *exprCtxt, Plan *parent);
extern void ExecChooseHashTableSize(double ntuples, int tupwidth,
int *virtualbuckets,
int *physicalbuckets,
int *numbatches);
#endif /* NODEHASH_H */