nodeUnique.h
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- /*-------------------------------------------------------------------------
- *
- * nodeUnique.h
- *
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: nodeUnique.h,v 1.8 1999/02/13 23:21:29 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
- #ifndef NODEUNIQUE_H
- #define NODEUNIQUE_H
- #include "executor/tuptable.h"
- #include "nodes/execnodes.h"
- #include "nodes/plannodes.h"
- extern TupleTableSlot *ExecUnique(Unique *node);
- extern bool ExecInitUnique(Unique *node, EState *estate, Plan *parent);
- extern int ExecCountSlotsUnique(Unique *node);
- extern void ExecEndUnique(Unique *node);
- extern void ExecReScanUnique(Unique *node, ExprContext *exprCtxt, Plan *parent);
- #endif /* NODEUNIQUE_H */