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

#include "nodes/execnodes.h"

extern GroupState* ExecInitGroup(Group* node, EState* estate, int eflags);
extern TupleTableSlot* ExecGroup(GroupState* node);
extern void ExecEndGroup(GroupState* node);
extern void ExecReScanGroup(GroupState* node);

#endif /* NODEGROUP_H */