*/ class ChangesMapper extends QBMapper { public const TABLE_NAME = 'whats_new'; public function __construct(IDBConnection $db) { parent::__construct($db, self::TABLE_NAME); } /** * @throws DoesNotExistException */ public function getChanges(string $version): Changes { /* @var $qb IQueryBuilder */ $qb = $this->db->getQueryBuilder(); $result = $qb->select('*') ->from(self::TABLE_NAME) ->where($qb->expr()->eq('version', $qb->createNamedParameter($version))) ->executeQuery(); $data = $result->fetch(); $result->closeCursor(); if ($data === false) { throw new DoesNotExistException('Changes info is not present'); } return Changes::fromRow($data); } }