DocumentSessionTable::tryToAddInfo

static function tryToAddInfo(array $fields): ?AddResult
{
	try
	{
		return DocumentInfoTable::add([
			'EXTERNAL_HASH' => $fields['EXTERNAL_HASH'],
			'OBJECT_ID' => $fields['OBJECT_ID'],
			'VERSION_ID' => $fields['VERSION_ID'],
			'OWNER_ID' => $fields['OWNER_ID'],
		]);
	}
	catch (SqlQueryException $exception)
	{
		if (self::isDuplicateKeyError($exception))
		{
			return null;
		}
	}
}