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2ca64c6f71
The old function took function name and function argument list as separate arguments. Now that all function signatures are passed around as ObjectWithArgs structs, this is no longer necessary and can be replaced by a function that takes ObjectWithArgs directly. Similarly for aggregates and operators. Reviewed-by: Jim Nasby <Jim.Nasby@BlueTreble.com> Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* parse_func.h
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*
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*
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*
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* Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/parser/parse_func.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PARSER_FUNC_H
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#define PARSER_FUNC_H
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#include "catalog/namespace.h"
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#include "parser/parse_node.h"
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/* Result codes for func_get_detail */
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typedef enum
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{
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FUNCDETAIL_NOTFOUND, /* no matching function */
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FUNCDETAIL_MULTIPLE, /* too many matching functions */
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FUNCDETAIL_NORMAL, /* found a matching regular function */
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FUNCDETAIL_AGGREGATE, /* found a matching aggregate function */
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FUNCDETAIL_WINDOWFUNC, /* found a matching window function */
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FUNCDETAIL_COERCION /* it's a type coercion request */
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} FuncDetailCode;
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extern Node *ParseFuncOrColumn(ParseState *pstate, List *funcname, List *fargs,
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FuncCall *fn, int location);
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extern FuncDetailCode func_get_detail(List *funcname,
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List *fargs, List *fargnames,
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int nargs, Oid *argtypes,
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bool expand_variadic, bool expand_defaults,
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Oid *funcid, Oid *rettype,
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bool *retset, int *nvargs, Oid *vatype,
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Oid **true_typeids, List **argdefaults);
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extern int func_match_argtypes(int nargs,
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Oid *input_typeids,
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FuncCandidateList raw_candidates,
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FuncCandidateList *candidates);
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extern FuncCandidateList func_select_candidate(int nargs,
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Oid *input_typeids,
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FuncCandidateList candidates);
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extern void make_fn_arguments(ParseState *pstate,
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List *fargs,
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Oid *actual_arg_types,
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Oid *declared_arg_types);
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extern const char *funcname_signature_string(const char *funcname, int nargs,
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List *argnames, const Oid *argtypes);
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extern const char *func_signature_string(List *funcname, int nargs,
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List *argnames, const Oid *argtypes);
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extern Oid LookupFuncName(List *funcname, int nargs, const Oid *argtypes,
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bool noError);
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extern Oid LookupFuncWithArgs(ObjectWithArgs *func,
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bool noError);
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extern Oid LookupAggWithArgs(ObjectWithArgs *agg,
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bool noError);
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extern void check_srf_call_placement(ParseState *pstate, int location);
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#endif /* PARSE_FUNC_H */
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