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postgres/src/include/executor/nodeAgg.h

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/*-------------------------------------------------------------------------
*
* nodeAgg.h
* prototypes for nodeAgg.c
*
*
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/executor/nodeAgg.h,v 1.28 2007/01/05 22:19:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef NODEAGG_H
#define NODEAGG_H
#include "nodes/execnodes.h"
extern int ExecCountSlotsAgg(Agg *node);
extern AggState *ExecInitAgg(Agg *node, EState *estate, int eflags);
extern TupleTableSlot *ExecAgg(AggState *node);
extern void ExecEndAgg(AggState *node);
extern void ExecReScanAgg(AggState *node, ExprContext *exprCtxt);
extern Size hash_agg_entry_size(int numAggs);
extern Datum aggregate_dummy(PG_FUNCTION_ARGS);
#endif /* NODEAGG_H */