PAL.C.T MINI SHELL
/*-------------------------------------------------------------------------
*
* parse_agg.h
* handle aggregates and window functions in parser
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_agg.h,v 1.39 2009/06/11 14:49:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_AGG_H
#define PARSE_AGG_H
#include "parser/parse_node.h"
extern void transformAggregateCall(ParseState *pstate, Aggref *agg);
extern void transformWindowFuncCall(ParseState *pstate, WindowFunc *wfunc,
WindowDef *windef);
extern void parseCheckAggregates(ParseState *pstate, Query *qry);
extern void parseCheckWindowFuncs(ParseState *pstate, Query *qry);
extern void build_aggregate_fnexprs(Oid *agg_input_types,
int agg_num_inputs,
Oid agg_state_type,
Oid agg_result_type,
Oid transfn_oid,
Oid finalfn_oid,
Expr **transfnexpr,
Expr **finalfnexpr);
#endif /* PARSE_AGG_H */
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