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parse_func.h
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1 /*-------------------------------------------------------------------------
2  *
3  * parse_func.h
4  *
5  *
6  *
7  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/parser/parse_func.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef PARSE_FUNC_H
15 #define PARSE_FUNC_H
16 
17 #include "catalog/namespace.h"
18 #include "parser/parse_node.h"
19 
20 
21 /* Result codes for func_get_detail */
22 typedef enum
23 {
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 */
32 
33 
34 extern Node *ParseFuncOrColumn(ParseState *pstate, List *funcname, List *fargs,
35  Node *last_srf, FuncCall *fn, bool proc_call,
36  int location);
37 
38 extern 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 
47 extern int func_match_argtypes(int nargs,
48  Oid *input_typeids,
49  FuncCandidateList raw_candidates,
50  FuncCandidateList *candidates);
51 
53  Oid *input_typeids,
54  FuncCandidateList candidates);
55 
56 extern void make_fn_arguments(ParseState *pstate,
57  List *fargs,
58  Oid *actual_arg_types,
59  Oid *declared_arg_types);
60 
61 extern const char *funcname_signature_string(const char *funcname, int nargs,
62  List *argnames, const Oid *argtypes);
63 extern const char *func_signature_string(List *funcname, int nargs,
64  List *argnames, const Oid *argtypes);
65 
66 extern Oid LookupFuncName(List *funcname, int nargs, const Oid *argtypes,
67  bool missing_ok);
68 extern Oid LookupFuncWithArgs(ObjectType objtype, ObjectWithArgs *func,
69  bool missing_ok);
70 
71 extern void check_srf_call_placement(ParseState *pstate, Node *last_srf,
72  int location);
73 
74 #endif /* PARSE_FUNC_H */
Node * ParseFuncOrColumn(ParseState *pstate, List *funcname, List *fargs, Node *last_srf, FuncCall *fn, bool proc_call, int location)
Definition: parse_func.c:90
void make_fn_arguments(ParseState *pstate, List *fargs, Oid *actual_arg_types, Oid *declared_arg_types)
Definition: parse_func.c:1826
int func_match_argtypes(int nargs, Oid *input_typeids, FuncCandidateList raw_candidates, FuncCandidateList *candidates)
Definition: parse_func.c:921
Oid LookupFuncName(List *funcname, int nargs, const Oid *argtypes, bool missing_ok)
Definition: parse_func.c:2145
Definition: nodes.h:536
unsigned int Oid
Definition: postgres_ext.h:31
Oid LookupFuncWithArgs(ObjectType objtype, ObjectWithArgs *func, bool missing_ok)
Definition: parse_func.c:2207
const char * funcname_signature_string(const char *funcname, int nargs, List *argnames, const Oid *argtypes)
Definition: parse_func.c:1994
const char * func_signature_string(List *funcname, int nargs, List *argnames, const Oid *argtypes)
Definition: parse_func.c:2031
FuncDetailCode
Definition: parse_func.h:22
ObjectType
Definition: parsenodes.h:1787
static void * fn(void *arg)
FuncCandidateList func_select_candidate(int nargs, Oid *input_typeids, FuncCandidateList candidates)
Definition: parse_func.c:1006
FuncDetailCode func_get_detail(List *funcname, List *fargs, List *fargnames, int nargs, Oid *argtypes, bool expand_variadic, bool expand_defaults, bool include_out_arguments, Oid *funcid, Oid *rettype, bool *retset, int *nvargs, Oid *vatype, Oid **true_typeids, List **argdefaults)
Definition: parse_func.c:1393
void check_srf_call_placement(ParseState *pstate, Node *last_srf, int location)
Definition: parse_func.c:2512
Definition: pg_list.h:50