src/include/parser/parse_agg.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * parse_agg.h
   4  *        handle aggregates and window functions in parser
   5  *
   6  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  * $PostgreSQL$
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef PARSE_AGG_H
  14 #define PARSE_AGG_H
  15
  16 #include "parser/parse_node.h"
  17
  18 extern void transformAggregateCall(ParseState *pstate, Aggref *agg);
  19 extern void transformWindowFuncCall(ParseState *pstate, WindowFunc *wfunc,
  20                                                 WindowDef *windef);
  21
  22 extern void parseCheckAggregates(ParseState *pstate, Query *qry);
  23 extern void parseCheckWindowFuncs(ParseState *pstate, Query *qry);
  24
  25 extern void build_aggregate_fnexprs(Oid *agg_input_types,
  26                                                 int agg_num_inputs,
  27                                                 Oid agg_state_type,
  28                                                 Oid agg_result_type,
  29                                                 Oid transfn_oid,
  30                                                 Oid finalfn_oid,
  31                                                 Expr **transfnexpr,
  32                                                 Expr **finalfnexpr);
  33
  34 #endif   /* PARSE_AGG_H */