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37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*-------------------------------------------------------------------------
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*
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* nodeGroup.h
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* prototypes for nodeGroup.c
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*
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*
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: nodeGroup.h,v 1.20 2001/10/28 06:26:06 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef NODEGROUP_H
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#define NODEGROUP_H
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#include "nodes/plannodes.h"
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extern TupleTableSlot *ExecGroup(Group *node);
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extern bool ExecInitGroup(Group *node, EState *estate, Plan *parent);
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extern int ExecCountSlotsGroup(Group *node);
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extern void ExecEndGroup(Group *node);
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extern void ExecReScanGroup(Group *node, ExprContext *exprCtxt, Plan *parent);
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extern bool execTuplesMatch(HeapTuple tuple1,
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HeapTuple tuple2,
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TupleDesc tupdesc,
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int numCols,
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AttrNumber *matchColIdx,
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FmgrInfo *eqfunctions,
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MemoryContext evalContext);
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extern FmgrInfo *execTuplesMatchPrepare(TupleDesc tupdesc,
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int numCols,
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AttrNumber *matchColIdx);
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#endif /* NODEGROUP_H */
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