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POSymfony 2 - Doctrine - oneToMany : delete from many
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I have two entities : Episode and Version. When I tried to delete a version a get an exception: <blockquote> Notice: Undefined index: episode in /var/www/Mendrock/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/BasicEntityPersister.php line 1561 </blockquote> I already check relations but I didn't find the error. My entities: Episode <pre><code>namespace Mendrock\Bundle\SagaBundle\Entity; use Doctrine\ORM\Mapping as ORM; /** * Mendrock\Bundle\SagaBundle\Entity\Episode * * @ORM\Table(name="episode") * @ORM\Entity(repositoryClass="Mendrock\Bundle\SagaBundle\Repository\EpisodeRepository") */ class Episode { ... /** * * @ORM\OneToMany(targetEntity="Version", mappedBy="episode", cascade={"remove", "persist"}) */ private $versions; </code></pre> Version <pre><code>namespace Mendrock\Bundle\SagaBundle\Entity; use Doctrine\ORM\Mapping as ORM; use Gedmo\Mapping\Annotation as Gedmo; /** * Mendrock\Bundle\SagaBundle\Entity\EpisodeVersion * * @ORM\Table(name="version") * @ORM\Entity(repositoryClass="Mendrock\Bundle\SagaBundle\Repository\EpisodeVersionRepository") */ class Version { ... /** * @ORM\ManyToOne(targetEntity="Episode", inversedBy="versions", cascade={"persist"}) * @ORM\JoinColumn(name="episode_id", referencedColumnName="id") */ private $episode; ... </code></pre> Controller <pre><code> /** * * @Route("/versionConfirmeDelete/{id}", options={"expose"=true}) * @Method("GET") * @Template() */ public function versionConfirmeDeleteAction($id) { $em = $this->getDoctrine()->getManager(); $entity = $em->getRepository('MendrockSagaBundle:Version')->find($id); if (!$entity) { throw $this->createNotFoundException('Unable to find Version entity.'); } $deleteForm = $this->createDeleteForm($id); return array( 'entity' => $entity, 'delete_form' => $deleteForm->createView(), ); } /** * Deletes a Episode entity. * * @Route("/versionDelete/{id}") * @Method("POST") */ public function versionDeleteAction(Request $request, $id) { $form = $this->createDeleteForm($id); $form->bind($request); if ($form->isValid()) { $em = $this->getDoctrine()->getManager(); $entity = $em->getRepository('MendrockSagaBundle:Version')->find($id); $episode = $entity->getEpisode(); if (!$entity) { throw $this->createNotFoundException('Unable to find Version entity.'); } $em->remove($entity); $em->flush(); $this->get('session')->setFlash('success', 'La version "' . $entity . '" de l\'épisode "'.$episode.'" à été supprimé !'); } else { $this->get('session')->setFlash('error', 'Impossible de supprimer la version "' . $entity . '".'); } return $this->redirect($this->generateUrl('mendrock_saga_default_episodes')); } ################################################################# ### Commun ################################################## ################################################################# private function createDeleteForm($id) { return $this->createFormBuilder(array('id' => $id)) ->add('id', 'hidden') ->getForm() ; } </code></pre> Any ideas of my problem?
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<doctrine2><one-to-many><symfony-2.1><entities>
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Symfony 2 - Doctrine - oneToMany : delete from many
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.