parse_agg.h

来自「PostgreSQL7.4.6 for Linux」· C头文件 代码 · 共 31 行

/*-------------------------------------------------------------------------
 *
 * parse_agg.h
 *	  handle aggregates in parser
 *
 * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $Id: parse_agg.h,v 1.29 2003/08/04 02:40:14 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PARSE_AGG_H
#define PARSE_AGG_H

#include "parser/parse_node.h"

extern void transformAggregateCall(ParseState *pstate, Aggref *agg);

extern void parseCheckAggregates(ParseState *pstate, Query *qry);

extern void build_aggregate_fnexprs(Oid agg_input_type,
						Oid agg_state_type,
						Oid agg_result_type,
						Oid transfn_oid,
						Oid finalfn_oid,
						Expr **transfnexpr,
						Expr **finalfnexpr);

#endif   /* PARSE_AGG_H */