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doctrine2/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2346Test.php

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<?php
namespace Doctrine\Tests\ORM\Functional\Ticket;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\DBAL\Logging\DebugStack;
/**
* @group DDC-2346
*/
class DDC2346Test extends \Doctrine\Tests\OrmFunctionalTestCase
{
/**
* @var \Doctrine\DBAL\Logging\DebugStack
*/
protected $logger;
/**
* {@inheritDoc}
*/
protected function setup()
{
parent::setup();
$this->_schemaTool->createSchema(array(
$this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2346Foo'),
$this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2346Bar'),
$this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2346Baz'),
));
$this->logger = new DebugStack();
}
/**
* Verifies that fetching a OneToMany association with fetch="EAGER" does not cause N+1 queries
*/
public function testIssue()
{
$foo1 = new DDC2346Foo();
$foo2 = new DDC2346Foo();
$baz1 = new DDC2346Baz();
$baz2 = new DDC2346Baz();
$baz1->foo = $foo1;
$baz2->foo = $foo2;
$foo1->bars[] = $baz1;
$foo1->bars[] = $baz2;
$this->_em->persist($foo1);
$this->_em->persist($foo2);
$this->_em->persist($baz1);
$this->_em->persist($baz2);
$this->_em->flush();
$this->_em->clear();
$this->_em->getConnection()->getConfiguration()->setSQLLogger($this->logger);
$fetchedBazs = $this->_em->getRepository(__NAMESPACE__ . '\\DDC2346Baz')->findAll();
$this->assertCount(2, $fetchedBazs);
$this->assertCount(2, $this->logger->queries, 'The total number of executed queries is 2, and not n+1');
}
}
/** @Entity */
class DDC2346Foo
{
/** @Id @Column(type="integer") @GeneratedValue */
public $id;
/**
* @var DDC2346Bar[]|\Doctrine\Common\Collections\Collection
*
* @OneToMany(targetEntity="DDC2346Bar", mappedBy="foo")
*/
public $bars;
/** Constructor */
public function __construct() {
$this->bars = new ArrayCollection();
}
}
/**
* @Entity
* @InheritanceType("JOINED")
* @DiscriminatorColumn(name="discr", type="string")
* @DiscriminatorMap({"baz" = "DDC2346Baz"})
*/
class DDC2346Bar
{
/** @Id @Column(type="integer") @GeneratedValue */
public $id;
/** @ManyToOne(targetEntity="DDC2346Foo", inversedBy="bars", fetch="EAGER") */
public $foo;
}
/**
* @Entity
*/
class DDC2346Baz extends DDC2346Bar
{
}