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<?php
declare(strict_types=1);
namespace Doctrine\Tests\ORM\Functional;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\ORM\Query\QueryException;
use Doctrine\ORM\Tools\Pagination\Paginator;
use Doctrine\Tests\OrmFunctionalTestCase;
use function count;
use function iterator_to_array;
class EagerFetchCollectionTest extends OrmFunctionalTestCase
{
protected function setUp(): void
{
parent::setUp();
$this->createSchemaForModels(EagerFetchOwner::class, EagerFetchChild::class);
// Ensure tables are empty
$this->_em->getRepository(EagerFetchChild::class)->createQueryBuilder('o')->delete()->getQuery()->execute();
$this->_em->getRepository(EagerFetchOwner::class)->createQueryBuilder('o')->delete()->getQuery()->execute();
}
public function testEagerFetchMode(): void
{
$owner = $this->createOwnerWithChildren(2);
$owner2 = $this->createOwnerWithChildren(3);
$this->_em->flush();
$this->_em->clear();
$owner = $this->_em->find(EagerFetchOwner::class, $owner->id);
$afterQueryCount = count($this->getQueryLog()->queries);
$this->assertCount(2, $owner->children);
$this->assertQueryCount($afterQueryCount, 'The $owner->children collection should already be initialized by find EagerFetchOwner before.');
$this->assertCount(3, $this->_em->find(EagerFetchOwner::class, $owner2->id)->children);
$this->_em->clear();
$beforeQueryCount = count($this->getQueryLog()->queries);
$owners = $this->_em->getRepository(EagerFetchOwner::class)->findAll();
$this->assertQueryCount($beforeQueryCount + 2, 'the findAll() + 1 subselect loading both collections of the two returned $owners');
$this->assertCount(2, $owners[0]->children);
$this->assertCount(3, $owners[1]->children);
$this->assertQueryCount($beforeQueryCount + 2, 'both collections are already initialized and counting them does not make a difference in total query count');
}
public function testEagerFetchModeWithDQL(): void
{
$owner = $this->createOwnerWithChildren(2);
$owner2 = $this->createOwnerWithChildren(3);
$this->_em->flush();
$this->_em->clear();
$query = $this->_em->createQuery('SELECT o FROM ' . EagerFetchOwner::class . ' o');
$query->setFetchMode(EagerFetchOwner::class, 'children', ORM\ClassMetadata::FETCH_EAGER);
$beforeQueryCount = count($this->getQueryLog()->queries);
$owners = $query->getResult();
$afterQueryCount = count($this->getQueryLog()->queries);
$this->assertEquals($beforeQueryCount + 2, $afterQueryCount);
$owners[0]->children->count();
$owners[1]->children->count();
$anotherQueryCount = count($this->getQueryLog()->queries);
$this->assertEquals($anotherQueryCount, $afterQueryCount);
}
public function testSubselectFetchJoinWithNotAllowed(): void
{
$this->expectException(QueryException::class);
$this->expectExceptionMessage('Associations with fetch-mode=EAGER may not be using WITH conditions');
$query = $this->_em->createQuery('SELECT o, c FROM ' . EagerFetchOwner::class . ' o JOIN o.children c WITH c.id = 1');
$query->getResult();
}
public function testSubselectFetchJoinWithAllowedWhenOverriddenNotEager(): void
{
$query = $this->_em->createQuery('SELECT o, c FROM ' . EagerFetchOwner::class . ' o JOIN o.children c WITH c.id = 1');
$query->setFetchMode(EagerFetchChild::class, 'owner', ORM\ClassMetadata::FETCH_LAZY);
$this->assertIsString($query->getSql());
}
public function testSubselectFetchJoinWithAllowedWhenOverriddenNotEagerPaginator(): void
{
$query = $this->_em->createQuery('SELECT o, c FROM ' . EagerFetchOwner::class . ' o JOIN o.children c WITH c.id = 1');
$query->setMaxResults(1);
$query->setFetchMode(EagerFetchChild::class, 'owner', ORM\ClassMetadata::FETCH_LAZY);
$paginator = new Paginator($query, true);
$this->assertIsArray(iterator_to_array($paginator));
}
public function testEagerFetchWithIterable(): void
{
$this->createOwnerWithChildren(2);
$this->_em->flush();
$this->_em->clear();
$iterable = $this->_em->getRepository(EagerFetchOwner::class)->createQueryBuilder('o')->getQuery()->toIterable();
// There is only a single record, but use a foreach to ensure the iterator is marked as finished and the table lock is released
foreach ($iterable as $owner) {
$this->assertCount(2, $owner->children);
}
}
protected function createOwnerWithChildren(int $children): EagerFetchOwner
{
$owner = new EagerFetchOwner();
$this->_em->persist($owner);
for ($i = 0; $i < $children; $i++) {
$child = new EagerFetchChild();
$child->owner = $owner;
$owner->children->add($child);
$this->_em->persist($child);
}
return $owner;
}
}
#[ORM\Entity]
class EagerFetchOwner
{
/** @var int */
#[ORM\Column(type: 'integer')]
#[ORM\Id]
#[ORM\GeneratedValue]
public $id;
#[ORM\OneToMany(mappedBy: 'owner', targetEntity: EagerFetchChild::class, fetch: 'EAGER')]
public Collection $children;
public function __construct()
{
$this->children = new ArrayCollection();
}
}
#[ORM\Entity]
class EagerFetchChild
{
/** @var int */
#[ORM\Column(type: 'integer')]
#[ORM\Id]
#[ORM\GeneratedValue]
public $id;
/** @var EagerFetchOwner */
#[ORM\ManyToOne(targetEntity: EagerFetchOwner::class, inversedBy: 'children')]
public $owner;
}
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