protected function findPrevTableName(array $names)
{
$name = array_pop($names);
$dateTime = \DateTime::createFromFormat('ymd', substr($name, 5));
$date = new Moment($dateTime->format('Y-m-d'));
while ($date->isAfter($this->exchangeRateDate) && count($names) > 0) {
$name = array_pop($names);
$dateTime = \DateTime::createFromFormat('ymd', substr($name, 5));
$date = new Moment($dateTime->format('Y-m-d'));
}
return $name;
}
