mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-11 16:27:55 +02:00
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* fcache.h--
|
|
*
|
|
*
|
|
*
|
|
* Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* $Id: fcache.h,v 1.4 1997/09/08 02:39:43 momjian Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef FCACHE_H
|
|
#define FCACHE_H
|
|
|
|
|
|
typedef struct
|
|
{
|
|
int typlen; /* length of the return type */
|
|
int typbyval; /* true if return type is pass by value */
|
|
func_ptr func; /* address of function to call (for c
|
|
* funcs) */
|
|
Oid foid; /* oid of the function in pg_proc */
|
|
Oid language; /* oid of the language in pg_language */
|
|
int nargs; /* number of arguments */
|
|
|
|
/* Might want to make these two arrays of size MAXFUNCARGS */
|
|
|
|
Oid *argOidVect; /* oids of all the arguments */
|
|
bool *nullVect; /* keep track of null arguments */
|
|
|
|
char *src; /* source code of the function */
|
|
char *bin; /* binary object code ?? */
|
|
char *func_state; /* fuction_state struct for execution */
|
|
|
|
bool oneResult; /* true we only want 1 result from the
|
|
* function */
|
|
bool hasSetArg; /* true if func is part of a nested dot
|
|
* expr whose argument is func returning a
|
|
* set ugh! */
|
|
|
|
Pointer funcSlot; /* if one result we need to copy it before
|
|
* we end execution of the function and
|
|
* free stuff */
|
|
|
|
char *setArg; /* current argument for nested dot
|
|
* execution Nested dot expressions mean
|
|
* we have funcs whose argument is a set
|
|
* of tuples */
|
|
|
|
bool istrusted; /* trusted fn? */
|
|
} FunctionCache, *FunctionCachePtr;
|
|
|
|
#endif /* FCACHE_H */
|