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/*------------------------------------------------------------------------- * * parse_agg.h * handle aggregates and window functions in parser * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/parser/parse_agg.h * *------------------------------------------------------------------------- */ #ifndef PARSE_AGG_H #define PARSE_AGG_H #include "parser/parse_node.h" extern void transformAggregateCall(ParseState *pstate, Aggref *agg, List *args, List *aggorder, bool agg_distinct); 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 agg_input_collation, Oid transfn_oid, Oid finalfn_oid, Expr **transfnexpr, Expr **finalfnexpr); #endif /* PARSE_AGG_H */