*** pgsql/src/backend/utils/cache/lsyscache.c	2009/06/11 14:49:05	1.162
--- pgsql/src/backend/utils/cache/lsyscache.c	2009/08/10 05:46:50	1.163
***************
*** 7,13 ****
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.161 2009/01/01 17:23:50 momjian Exp $
   *
   * NOTES
   *	  Eventually, the index information should go through here, too.
--- 7,13 ----
   * Portions Copyright (c) 1994, Regents of the University of California
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.162 2009/06/11 14:49:05 momjian Exp $
   *
   * NOTES
   *	  Eventually, the index information should go through here, too.
*************** get_func_name(Oid funcid)
*** 1299,1304 ****
--- 1299,1330 ----
  }
  
  /*
+  * get_func_namespace
+  *
+  *		Returns the pg_namespace OID associated with a given function.
+  */
+ Oid
+ get_func_namespace(Oid funcid)
+ {
+ 	HeapTuple	tp;
+ 
+ 	tp = SearchSysCache(PROCOID,
+ 						ObjectIdGetDatum(funcid),
+ 						0, 0, 0);
+ 	if (HeapTupleIsValid(tp))
+ 	{
+ 		Form_pg_proc functup = (Form_pg_proc) GETSTRUCT(tp);
+ 		Oid			result;
+ 
+ 		result = functup->pronamespace;
+ 		ReleaseSysCache(tp);
+ 		return result;
+ 	}
+ 	else
+ 		return InvalidOid;
+ }
+ 
+ /*
   * get_func_rettype
   *		Given procedure id, return the function's result type.
   */