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/*-------------------------------------------------------------------------
*
* nodeWindowAgg.h
* prototypes for nodeWindowAgg.c
*
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/executor/nodeWindowAgg.h,v 1.2 2009/01/01 17:23:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef NODEWINDOWAGG_H
#define NODEWINDOWAGG_H
#include "nodes/execnodes.h"
extern int ExecCountSlotsWindowAgg(WindowAgg *node);
extern WindowAggState *ExecInitWindowAgg(WindowAgg *node, EState *estate, int eflags);
extern TupleTableSlot *ExecWindowAgg(WindowAggState *node);
extern void ExecEndWindowAgg(WindowAggState *node);
extern void ExecReScanWindowAgg(WindowAggState *node, ExprContext *exprCtxt);
#endif /* NODEWINDOWAGG_H */
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