Do not fail on non analyzed query (eg. because of parser failure).

libraries/common.lib.php

@@ -1039,6 +1039,9 @@ function PMA_showMessage($message, $sql_query = null, $type = 'notice', $is_view
         } else {
             // Parse SQL if needed
             $parsed_sql = PMA_SQP_parse($query_base);
+            if (PMA_SQP_isError()) {
+                unset($parsed_sql);
+            }
         }
 
         // Analyze it

libraries/display_tbl.lib.php

@@ -2090,7 +2090,7 @@ function PMA_displayTable(&$dt_result, &$the_disp_mode, $analyzed_sql)
             'submit_mult_change', __('Change'), 'b_edit.png');
         PMA_buttonOrImage('submit_mult', 'mult_submit',
             'submit_mult_delete', $delete_text, 'b_drop.png');
-        if ($analyzed_sql[0]['querytype'] == 'SELECT') {
+        if (isset($analyzed_sql[0]) && $analyzed_sql[0]['querytype'] == 'SELECT') {
             PMA_buttonOrImage('submit_mult', 'mult_submit',
                 'submit_mult_export', __('Export'),
                 'b_tblexport.png');