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Filename : nodeAgg.h
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/*-------------------------------------------------------------------------
 *
 * nodeAgg.h
 *	  prototypes for nodeAgg.c
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/executor/nodeAgg.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef NODEAGG_H
#define NODEAGG_H

#include "nodes/execnodes.h"

extern AggState *ExecInitAgg(Agg *node, EState *estate, int eflags);
extern TupleTableSlot *ExecAgg(AggState *node);
extern void ExecEndAgg(AggState *node);
extern void ExecReScanAgg(AggState *node);

extern Size hash_agg_entry_size(int numAggs);

extern Datum aggregate_dummy(PG_FUNCTION_ARGS);

#endif   /* NODEAGG_H */