Attachments to Doctrine Jira Issue DDC-1742 - https://github.com/doctrine/doctrine2/issues/2392

11175_DDC1742Test.php

<?php
namespace Doctrine\Tests\ORM\Functional\Ticket;

/**
 * @group DDC-1742
 */
class DDC1742Test extends \Doctrine\Tests\OrmFunctionalTestCase
{
    protected function setUp()
    {
        parent::setUp();

        try {
            $this->_schemaTool->createSchema(array(
                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1742Dog'),
                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1742Cat'),
                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1742Animal'),
                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1742Person'),
            ));
        } catch (\Exception $ignored) {
        }
    }

    public function testIssue()
    {
        $person1 = new DDC1742Person();

        $dog1 = new DDC1742Dog();

        $person1->addPet($dog1);

        $this->_em->persist($person1);
        $this->_em->persist($dog1);

        $this->_em->flush();

        $this->_em->remove($person1);

        $this->_em->flush();

    }
}

/**
 * @DiscriminatorColumn(name="type", type="string")
 * @DiscriminatorMap({"cat" = "DDC1742Cat", "dog" = "DDC1742Dog"})
 * @Entity
 * @InheritanceType("SINGLE_TABLE")
 */
class DDC1742Animal
{
    /** @Column(type="integer") @GeneratedValue @Id */
    protected $id;

    /** @ManyToOne(targetEntity="DDC1742Person",inversedBy="pets") */
    protected $owner;

    public function setOwner(DDC1742Person $person)
    {
        $this->owner = $person;
    }
}

/** @Entity */
class DDC1742Cat extends DDC1742Animal
{
}

/** @Entity */
class DDC1742Dog extends DDC1742Animal
{
}

/** @Entity */
class DDC1742Person
{
    /** @Column(type="integer") @GeneratedValue @Id */
    protected $id;
    /** @OneToMany(targetEntity="DDC1742Animal",mappedBy="owner",cascade={"delete"}) */
    protected $pets;

    public function addPet(DDC1742Animal $animal)
    {
        $animal->setOwner($this);
        $this->pets[] = $animal;
    }
}