1 files changed, 55 insertions, 0 deletions
diff --git a/src/backend/utils/fcache.h b/src/backend/utils/fcache.h
new file mode 100644
index 00000000000..a7a83452ba0
--- /dev/null
+++ b/src/backend/utils/fcache.h
@@ -0,0 +1,55 @@
+/*-------------------------------------------------------------------------
+ *
+ * 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 */