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Bruce Momjian
5c25d60244
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* nodeHash.h
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*
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*
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*
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: nodeHash.h,v 1.15 2000/01/26 05:58:05 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef NODEHASH_H
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#define NODEHASH_H
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#include "nodes/plannodes.h"
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extern TupleTableSlot *ExecHash(Hash *node);
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extern bool ExecInitHash(Hash *node, EState *estate, Plan *parent);
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extern int ExecCountSlotsHash(Hash *node);
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extern void ExecEndHash(Hash *node);
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extern HashJoinTable ExecHashTableCreate(Hash *node);
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extern void ExecHashTableDestroy(HashJoinTable hashtable);
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extern void ExecHashTableInsert(HashJoinTable hashtable, ExprContext *econtext,
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Var *hashkey);
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extern int ExecHashGetBucket(HashJoinTable hashtable, ExprContext *econtext,
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Var *hashkey);
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extern HeapTuple ExecScanHashBucket(HashJoinState *hjstate, List *hjclauses,
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ExprContext *econtext);
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extern void ExecHashTableReset(HashJoinTable hashtable, long ntuples);
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extern void ExecReScanHash(Hash *node, ExprContext *exprCtxt, Plan *parent);
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#endif /* NODEHASH_H */
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