/*------------------------------------------------------------------------- * * nodeAgg.h * * * * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $Id: nodeAgg.h,v 1.18 2002/12/05 15:50:36 tgl Exp $ * *------------------------------------------------------------------------- */ #ifndef NODEAGG_H #define NODEAGG_H #include "fmgr.h" #include "nodes/execnodes.h" extern int ExecCountSlotsAgg(Agg *node); extern AggState *ExecInitAgg(Agg *node, EState *estate); extern TupleTableSlot *ExecAgg(AggState *node); extern void ExecEndAgg(AggState *node); extern void ExecReScanAgg(AggState *node, ExprContext *exprCtxt); extern Datum aggregate_dummy(PG_FUNCTION_ARGS); #endif /* NODEAGG_H */