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/*-------------------------------------------------------------------------
*
* fcache.h--
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: fcache.h,v 1.1.1.1 1996/07/09 06:22:01 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef FCACHE_H
#define FCACHE_H
#include "fmgr.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 */