/**
* Returns a partial SQL string to search for all records between two times
* occurring on the same day.
*
* @param string $dateString Datetime string or Unix timestamp
* @param string $fieldName Name of database field to compare with
* @param int $userOffset User's offset from GMT (in hours)
* @return string Partial SQL string.
* @access public
* @link http://book.cakephp.org/view/1471/Formatting
*/
function dayAsSql($dateString, $fieldName, $userOffset = null)
{
return parent::dayAsSql($dateString, $fieldName, $this->__userOffset($dateString, $userOffset));
}