r1701: *** empty log message ***

[clsql.git] / interfaces / mysql / mysql-sql.cl

diff --git a/interfaces/mysql/mysql-sql.cl b/interfaces/mysql/mysql-sql.cl
index 2623aed20f2944a0bc089a14a4912a66367bdf05..0d1c05fa24fddce2ba8a093a210b9c4a682b9471 100644 (file)
--- a/interfaces/mysql/mysql-sql.cl
+++ b/interfaces/mysql/mysql-sql.cl
@@ -8,7 +8,7 @@
 ;;;;                Original code by Pierre R. Mai 
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: mysql-sql.cl,v 1.15 2002/03/27 12:09:39 kevin Exp $
+;;;; $Id: mysql-sql.cl,v 1.16 2002/03/29 09:37:24 kevin Exp $
 ;;;;
 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
@@ -68,14 +68,16 @@
     (nreverse new-types)))
 
 (defun canonicalize-types (types num-fields res-ptr)
-  (let ((auto-list (make-type-list-for-auto num-fields res-ptr)))
-    (cond
-      ((listp types)
-       (canonicalize-type-list types auto-list))
-      ((eq types :auto)
-       auto-list)
-      (t
-       nil))))
+  (if (null types)
+      nil
+      (let ((auto-list (make-type-list-for-auto num-fields res-ptr)))
+       (cond
+         ((listp types)
+          (canonicalize-type-list types auto-list))
+         ((eq types :auto)
+          auto-list)
+         (t
+          nil)))))
 
 (defmethod database-initialize-database-type ((database-type (eql :mysql)))
   t)