/**
  * Return the SQL String
  *
  * @param $factory DataAccessObjectFactory
  * @return string
  */
 public function getSQL(DataAccessObjectFactory $factory)
 {
     return $this->field . " COLLATE " . Config::getCaseSenstitiveCollation() . " LIKE " . $factory->escapeString(str_replace("_", "\\_", str_replace("%", "\\%", $this->value)));
 }