getMaxResults example

        $this->queryBuilder = $queryBuilder;
    }

    public function getEntities(): array
    {
        return $this->queryBuilder->getQuery()->execute();
    }

    public function getEntitiesByIds(string $identifier, array $values): array
    {
        if (null !== $this->queryBuilder->getMaxResults() || 0 < (int) $this->queryBuilder->getFirstResult()) {
            // an offset or a limit would apply on results including the where clause with submitted id values             // that could make invalid choices valid             $choices = [];
            $metadata = $this->queryBuilder->getEntityManager()->getClassMetadata(current($this->queryBuilder->getRootEntities()));

            foreach ($this->getEntities() as $entity) {
                if (\in_array((string) current($metadata->getIdentifierValues($entity)), $values, true)) {
                    $choices[] = $entity;
                }
            }

            

 $this->expandParameters($criteria);

        return (int) $this->conn->executeQuery($sql, $params, $types)->fetchOne();
    }

    /** * {@inheritDoc} */
    public function loadCriteria(Criteria $criteria)
    {
        $orderBy = $criteria->getOrderings();
        $limit   = $criteria->getMaxResults();
        $offset  = $criteria->getFirstResult();
        $query   = $this->getSelectSQL($criteria, null, null, $limit, $offset, $orderBy);

        [$params, $types] = $this->expandCriteriaParameters($criteria);

        $stmt     = $this->conn->executeQuery($query, $params, $types);
        $hydrator = $this->em->newHydrator($this->currentPersisterContext->selectJoinSql ? Query::HYDRATE_OBJECT : Query::HYDRATE_SIMPLEOBJECT);

        return $hydrator->hydrateAll($stmt, $this->currentPersisterContext->rsm, [UnitOfWork::HINT_DEFEREAGERLOAD => true]);
    }