public function getEarliestLoggedDataDate() { return parent::getEarliestLoggedDataDate('date_time'); }
public function getEarliestLoggedDataDate($sDateTimeColumn = 'date_time') { return parent::getEarliestLoggedDataDate('date_time'); }
public function getEarliestLoggedDataDate() { return parent::getEarliestLoggedDataDate('date_time'); }
public function getEarliestLoggedDataDate($sDateTimeColumn = 'date_time') { return parent::getEarliestLoggedDataDate('date_time'); }