Ticket #26887: tableprefix.2.diff

wp-includes/wp-db.php

@@ -171 +171 @@
         var $prefix = '';
 
         /**
+         * WordPress base table prefix
+         *
+         * @since 3.0
+         * @access public
+         * @var string
+         */
+         var $base_prefix;
+
+        /**
          * Whether the database queries are ready to start executing.
          *
          * @since 2.3.2
@@ -664 +673 @@
 
                 $old_prefix = is_multisite() ? '' : $prefix;
 
-                if ( isset( $this->base_prefix ) )
+                if ( !empty( $this->base_prefix ) )
                         $old_prefix = $this->base_prefix;
 
                 $this->base_prefix = $prefix;