blob: 52954bfad0e4d6f8df73c78360fa86d7220653e2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*-------------------------------------------------------------------------
*
* fmgrtab.h
* The function manager's table of internal functions.
*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/fmgrtab.h,v 1.28 2008/01/01 19:45:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef FMGRTAB_H
#define FMGRTAB_H
#include "fmgr.h"
/*
* This table stores info about all the built-in functions (ie, functions
* that are compiled into the Postgres executable). The table entries are
* required to appear in Oid order, so that binary search can be used.
*/
typedef struct
{
Oid foid; /* OID of the function */
const char *funcName; /* C name of the function */
short nargs; /* 0..FUNC_MAX_ARGS, or -1 if variable count */
bool strict; /* T if function is "strict" */
bool retset; /* T if function returns a set */
PGFunction func; /* pointer to compiled function */
} FmgrBuiltin;
extern const FmgrBuiltin fmgr_builtins[];
extern const int fmgr_nbuiltins; /* number of entries in table */
#endif /* FMGRTAB_H */
|
