/**
  * Return the DELETE clause ready for inserting into a query.
  *
  * @param SQLExpression $query The expression object to build from
  * @param array $parameters Out parameter for the resulting query parameters
  * @return string Completed delete part of statement
  */
 public function buildDeleteFragment(SQLDelete $query, array &$parameters)
 {
     $text = 'DELETE';
     // If doing a multiple table delete then list the target deletion tables here
     // Note that some schemas don't support multiple table deletion
     $delete = $query->getDelete();
     if (!empty($delete)) {
         $text .= ' ' . implode(', ', $delete);
     }
     return $text;
 }