Happyr\DoctrineSpecification\Query\AbstractJoin::modify PHP Метод

    public function modify(QueryBuilder $qb, $dqlAlias)
    {
        if ($this->dqlAlias !== null) {
            $dqlAlias = $this->dqlAlias;
        }
        $join = $this->getJoinType();
        $qb->{$join}(sprintf('%s.%s', $dqlAlias, $this->field), $this->newAlias);
    }