dblayeroo: update check the unique columns. Allow string with comma separated values or array

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@3875 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

dblayeroo.php

@@ -2583,7 +2583,13 @@ class dblayeroo
       if ($update)
       {
         // Can not update multiple UNIQUE rows with the same value
-        $cols = explode (",", $columns);
+        if (is_string ($columns))
+          $cols = explode (",", $columns);
+        elseif (is_array ($columns))
+          $cols = $columns;
+        else
+          $this->DBException (dgettext ("domframework",
+            "Unique def is not a string or an array"));
         foreach ($cols as $col)
         {
           if (!key_exists ($col, $setValues))