code cleanup; add a TODO about importing an XML export into a database different than the original one

libraries/import/xml.php

@@ -147,6 +147,10 @@ if (isset($namespaces['pma'])) {
     foreach ($struct as $tier1 => $val1) {
         foreach($val1 as $tier2 => $val2) {
             /* Need to select the correct database for the creation of tables, views, triggers, etc. */
+            /**
+             * @todo    Generating a USE here blocks importing of a table 
+             *          into another database. 
+             */
             $attrs = $val2->attributes();
             $create[] = "USE " . PMA_backquote($attrs["name"]);
             
@@ -255,10 +259,8 @@ if ($data_present) {
      * to maintain PMA_buildSQL() call integrity
      */
     if (! isset($analyses)) {
-        if ($struct_present) {
-            $analyses = NULL;
-        } else {
         $analyses = NULL;
+        if (! $struct_present) {
             $create = NULL;
         }
     }