codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * parse_func.h4 *5 *6 *7 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group8 * Portions Copyright (c) 1994, Regents of the University of California9 *10 * src/include/parser/parse_func.h11 *12 *-------------------------------------------------------------------------13 */14#ifndef PARSE_FUNC_H15#define PARSE_FUNC_H16 17#include "catalog/namespace.h"18#include "parser/parse_node.h"19 20 21/* Result codes for func_get_detail */22typedef enum23{24	FUNCDETAIL_NOTFOUND,		/* no matching function */25	FUNCDETAIL_MULTIPLE,		/* too many matching functions */26	FUNCDETAIL_NORMAL,			/* found a matching regular function */27	FUNCDETAIL_PROCEDURE,		/* found a matching procedure */28	FUNCDETAIL_AGGREGATE,		/* found a matching aggregate function */29	FUNCDETAIL_WINDOWFUNC,		/* found a matching window function */30	FUNCDETAIL_COERCION			/* it's a type coercion request */31} FuncDetailCode;32 33 34extern Node *ParseFuncOrColumn(ParseState *pstate, List *funcname, List *fargs,35							   Node *last_srf, FuncCall *fn, bool proc_call,36							   int location);37 38extern FuncDetailCode func_get_detail(List *funcname,39									  List *fargs, List *fargnames,40									  int nargs, Oid *argtypes,41									  bool expand_variadic, bool expand_defaults,42									  bool include_out_arguments,43									  Oid *funcid, Oid *rettype,44									  bool *retset, int *nvargs, Oid *vatype,45									  Oid **true_typeids, List **argdefaults);46 47extern int	func_match_argtypes(int nargs,48								Oid *input_typeids,49								FuncCandidateList raw_candidates,50								FuncCandidateList *candidates);51 52extern FuncCandidateList func_select_candidate(int nargs,53											   Oid *input_typeids,54											   FuncCandidateList candidates);55 56extern void make_fn_arguments(ParseState *pstate,57							  List *fargs,58							  Oid *actual_arg_types,59							  Oid *declared_arg_types);60 61extern const char *funcname_signature_string(const char *funcname, int nargs,62											 List *argnames, const Oid *argtypes);63extern const char *func_signature_string(List *funcname, int nargs,64										 List *argnames, const Oid *argtypes);65 66extern Oid	LookupFuncName(List *funcname, int nargs, const Oid *argtypes,67						   bool missing_ok);68extern Oid	LookupFuncWithArgs(ObjectType objtype, ObjectWithArgs *func,69							   bool missing_ok);70 71extern void check_srf_call_placement(ParseState *pstate, Node *last_srf,72									 int location);73 74#endif							/* PARSE_FUNC_H */75