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/*-------------------------------------------------------------------------
*
* fcache.h
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: fcache.h,v 1.9 1999/07/15 23:04:21 momjian 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 */
FmgrInfo 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 */
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