postgresql/src/include/executor/nodeUnique.h

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/*-------------------------------------------------------------------------
*
* nodeUnique.h
*
*
*
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* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
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* $Id: nodeUnique.h,v 1.17 2003/08/04 02:40:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef NODEUNIQUE_H
#define NODEUNIQUE_H
#include "nodes/execnodes.h"
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extern int ExecCountSlotsUnique(Unique *node);
extern UniqueState *ExecInitUnique(Unique *node, EState *estate);
extern TupleTableSlot *ExecUnique(UniqueState *node);
extern void ExecEndUnique(UniqueState *node);
extern void ExecReScanUnique(UniqueState *node, ExprContext *exprCtxt);
#endif /* NODEUNIQUE_H */