nodegroup.h

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

/*-------------------------------------------------------------------------
 *
 * nodeGroup.h
 *	  prototypes for nodeGroup.c
 *
 *
 * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $PostgreSQL: pgsql/src/include/executor/nodeGroup.h,v 1.28 2004/12/31 22:03:29 pgsql Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef NODEGROUP_H
#define NODEGROUP_H

#include "nodes/execnodes.h"

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

#endif   /* NODEGROUP_H */