/**
* Quote a column identifier and alias.
*
* @param string|array|EhrlichAndreas_Db_Expr|Zend_Db_Expr $ident
* The identifier or expression.
* @param string $alias
* An alias for the column.
* @param boolean $auto
* If true, heed the AUTO_QUOTE_IDENTIFIERS config option.
* @return string The quoted identifier and alias.
*/
public function quoteColumnAs($ident, $alias, $auto = false)
{
return $this->adapter->quoteColumnAs($ident, $alias, $auto);
}