/*------------------------------------------------------------------------- * * nodeUnique.h-- * * * * Copyright (c) 1994, Regents of the University of California * * $Id: nodeUnique.h,v 1.4 1997/09/08 21:52:14 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef NODEUNIQUE_H #define NODEUNIQUE_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); #endif /* NODEUNIQUE_H */