/**
* Check, if NestedSets Migration exists in DB.
* @param Migrator $migrator
* @return bool
*/
public function NsMigrationExists(Migrator $migrator)
{
$history = $migrator->getMigrationHistory('comment');
if (array_key_exists(self::NS_MIGRATION_NAME, $history)) {
return true;
}
return false;
}
