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00001 /*------------------------------------------------------------------------- 00002 * 00003 * parse_agg.h 00004 * handle aggregates and window functions in parser 00005 * 00006 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00007 * Portions Copyright (c) 1994, Regents of the University of California 00008 * 00009 * src/include/parser/parse_agg.h 00010 * 00011 *------------------------------------------------------------------------- 00012 */ 00013 #ifndef PARSE_AGG_H 00014 #define PARSE_AGG_H 00015 00016 #include "parser/parse_node.h" 00017 00018 extern void transformAggregateCall(ParseState *pstate, Aggref *agg, 00019 List *args, List *aggorder, 00020 bool agg_distinct); 00021 extern void transformWindowFuncCall(ParseState *pstate, WindowFunc *wfunc, 00022 WindowDef *windef); 00023 00024 extern void parseCheckAggregates(ParseState *pstate, Query *qry); 00025 00026 extern void build_aggregate_fnexprs(Oid *agg_input_types, 00027 int agg_num_inputs, 00028 Oid agg_state_type, 00029 Oid agg_result_type, 00030 Oid agg_input_collation, 00031 Oid transfn_oid, 00032 Oid finalfn_oid, 00033 Expr **transfnexpr, 00034 Expr **finalfnexpr); 00035 00036 #endif /* PARSE_AGG_H */
1.7.1