Returns NULL if {@link setMaxResults} was not applied to this query builder.
| public getMaxResults ( ) : integer | ||
| return | integer | The maximum number of results. |
/**
* @param QueryBuilder $queryBuilder
* @param $callback
* @param int|null $limit
* @param int $maxAttempts
* @throws DBALWalkerException
* @throws DBALException
*/
public function run(QueryBuilder $queryBuilder, $callback, $limit = null, $maxAttempts = 10)
{
if (!is_callable($callback)) {
throw new DBALWalkerException('$callback is not callable');
}
if (!is_null($limit)) {
$queryBuilder->setMaxResults($limit);
} else {
$limit = $queryBuilder->getMaxResults();
}
if (is_null($limit)) {
$limit = PHP_INT_MAX;
}
$offset = 0;
do {
$rows = [];
$errors = $maxAttempts;
while (true) {
try {
$rows = $queryBuilder->setFirstResult($offset)->execute()->fetchAll();
break;
} catch (DBALException $e) {
if ($errors-- == 0) {
throw $e;
}
$queryBuilder->getConnection()->connect();
}
}
call_user_func($callback, $rows, $offset, $limit);
$offset += $limit;
} while (count($rows) >= $limit);
}
/**
* @test
*/
public function getMaxResultsDelegatesToConcreteQueryBuilder()
{
$this->concreteQueryBuilder->getMaxResults()->shouldBeCalled()->willReturn(1);
$this->subject->getMaxResults();
}
public function testSetMaxResults()
{
$qb = new QueryBuilder($this->conn);
$qb->setMaxResults(10);
$this->assertEquals(QueryBuilder::STATE_DIRTY, $qb->getState());
$this->assertEQuals(10, $qb->getMaxResults());
}
/**
* Gets the maximum number of results the query object was set to retrieve (the "limit").
* Returns NULL if {@link setMaxResults} was not applied to this query builder.
*
* @return integer The maximum number of results.
*/
public function getMaxResults()
{
return $this->queryBuilder->getMaxResults();
}
/**
* Gets the maximum number of results the query object was set to retrieve (the "limit").
* Returns 0 if setMaxResults was not applied to this query builder.
*
* @return int The maximum number of results.
*/
public function getMaxResults() : int
{
return (int) $this->concreteQueryBuilder->getMaxResults();
}
/**
* Gets the maximum number of results the query object was set to retrieve (the "limit").
* Returns NULL if {@link setMaxResults} was not applied to this query builder.
*
* @return integer The maximum number of results.
*/
public function getMaxResults()
{
return $this->qb->getMaxResults();
}
