/**
* Return the most recent value from the specified sequence in the database.
* This is supported only on RDBMS brands that support sequences
* (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null.
*
* @param string $sequenceName sequence name
* @return string
*/
public function lastSequenceId($sequenceName)
{
return $this->_adapter->lastSequenceId($sequenceName);
}
