| /*------------------------------------------------------------------------- |
| * |
| * fmgrtab.h |
| * The function manager's table of internal functions. |
| * |
| * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/include/utils/fmgrtab.h,v 1.29 2009/01/01 17:24:02 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 */ |