Ticket #14397: 14397.diff

wp-includes/functions.php

@@ -1832 +1832 @@
                 return true;
 
         $suppress = $wpdb->suppress_errors();
-        $tables = $wpdb->get_col('SHOW TABLES');
+        $blog_prefix = $wpdb->get_blog_prefix();
+        if ( substr( $blog_prefix, -1 ) == '_' )
+                $blog_prefix =  substr( $blog_prefix, 0, -1 ) . '\_';
+
+        $tables = $wpdb->get_col( "SHOW TABLES LIKE '{$blog_prefix}%'" );
         $wpdb->suppress_errors( $suppress );
 
         $wp_tables = $wpdb->tables();