PostgreSQL Source Code: src/include/executor/nodeAgg.h Source File

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00001 /*-------------------------------------------------------------------------
00002  *
00003  * nodeAgg.h
00004  *    prototypes for nodeAgg.c
00005  *
00006  *
00007  * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
00008  * Portions Copyright (c) 1994, Regents of the University of California
00009  *
00010  * src/include/executor/nodeAgg.h
00011  *
00012  *-------------------------------------------------------------------------
00013  */
00014 #ifndef NODEAGG_H
00015 #define NODEAGG_H
00016 
00017 #include "nodes/execnodes.h"
00018 
00019 extern AggState *ExecInitAgg(Agg *node, EState *estate, int eflags);
00020 extern TupleTableSlot *ExecAgg(AggState *node);
00021 extern void ExecEndAgg(AggState *node);
00022 extern void ExecReScanAgg(AggState *node);
00023 
00024 extern Size hash_agg_entry_size(int numAggs);
00025 
00026 extern Datum aggregate_dummy(PG_FUNCTION_ARGS);
00027 
00028 #endif   /* NODEAGG_H */

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nodeAgg.h