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POSymfony 2 class table inheritance fixture SQL error
 

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  1. POSymfony 2 class table inheritance fixture SQL error
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    <p>I'm new here and quite new to symfony 2.</p> <p>I try to build an Entity 'MailProcess' that inherits from an Entity 'Process'. Here are my Entity definitions:</p> <pre><code>// src/MW/TodoBundle/Entity/Process.php namespace MW\TodoBundle\Entity; use Doctrine\ORM\Mapping as ORM; /** * @ORM\Entity * @ORM\InheritanceType("JOINED") * @ORM\DiscriminatorColumn(name="process_type", type="string") * @ORM\DiscriminatorMap({"mailprocess" = "MailProcess", "process" = "Process"}) * @ORM\Table(name="process") * @ORM\HasLifecycleCallbacks */ class Process { /** * * @ORM\Id * @ORM\Column(type="integer", unique=true) * @ORM\GeneratedValue(strategy="AUTO") */ protected $id; /** * * @ORM\Column(type="string") */ protected $title; /** * * @ORM\Column(type="datetime") */ protected $created; /** * * @ORM\Column(type ="text", nullable= true) */ protected $comment; protected $options; // Getters and Setters } // src/MW/TodoBundle/Entity/MailProcess.php namespace MW\TodoBundle\Entity; use Doctrine\ORM\Mapping as ORM; use MW\TodoBundle\Entity\Process; /** * * @ORM\Entity * @ORM\Table(name="process_mailprocess") */ class MailProcess extends Process { /** * * @ORM\Column(type="string") */ protected $from; /** * * @ORM\Column(type="string") */ protected $to; /** * * @ORM\Column(type="string", nullable=true) */ protected $subject; /** * * @ORM\Column(type="text", nullable=true) */ protected $message; } </code></pre> <p>You can see the ORM Class Table Inheritance used: Two tables 'process' and 'process_mailprocess' with discriminator column 'process_type'.</p> <p>I do use ´php app/console doctrine:schema:update --force´ to update the schema to my MySQL database which works fine.</p> <p>But then there are my Data fixtures: I've stripped them down to one here, but be assured I have additional fixtures also testing the Entity 'Process' which are working fine.</p> <pre><code>// src/MW/TodoBundle/DataFixtures/ORM/ProcessFixtures.php namespace MW\TodoBundle\DataFixtures\ORM; use Doctrine\Common\DataFixtures\FixtureInterface; use Doctrine\Common\Persistence\ObjectManager; use MW\TodoBundle\Entity\Process; use MW\TodoBundle\Entity\MailProcess; class ProcessFixtures implements FixtureInterface { public function load(ObjectManager $manager) { $mp1= new MailProcess(); $mp1-&gt;setTitle("Invoice from heaven") -&gt;setComment("sitebot: Irgendwer will was von euch!") -&gt;setCreated(new \DateTime()) -&gt;setFrom("m") -&gt;setTo("m") -&gt;setSubject("m") -&gt;setMessage("m"); $manager-&gt;persist($mp1); $manager-&gt;flush(); } } </code></pre> <p>Alas, execution of ´php app/console doctrine:fixtures:load´ confirming 'y' to purge gets me</p> <pre><code> [Doctrine\DBAL\DBALException] An exception occurred while executing 'INSERT INTO process_mailprocess (id, from, to, subject, message) VALUES (?, ?, ?, ?, ?)' with params {"1":28,"2":"m","3":"m","4":"m","5":"m"}: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from, to, subject, message) VALUES ('28 ', 'm', 'm', 'm', 'm')' at line 1 [PDOException] SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from, to, subject, message) VALUES ('28 ', 'm', 'm', 'm', 'm')' at line 1 </code></pre> <p>I can see nothing wrong there, and besides, Doctrine and Symfony create the SQL query. Can anyone point me to what I am doing wrong here? This is a real head-scratcher for me.</p>
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