Symonfy2, Doctrine: duplicate, default, or ignore DiscriminatorMap? - php

Question

How do I enable duplicate Discriminator Maps, allow a "default" mapping, or completely ignore Discriminator mappings when running a DQL query?
Setup:
// DQL Query:
$this->createQueryBuilder('s')
->select(['s.serverId', 'p.projectName'])
->leftJoin('s.serverServices', 'ss')
->leftJoin('ss.serverServiceProjects', 'ps')
->leftJoin('ps.project', 'p')
->getQuery()
->getArrayResult()
// Mapping
/**
* #ORM\InheritanceType("SINGLE_TABLE")
* #ORM\DiscriminatorColumn(name="service_type_id", type="integer")
* #ORM\DiscriminatorMap({
* "1" = "AppBundle\Entity\ServerService",
* "2" = "AppBundle\Entity\ServerService",
* [...]
* "12" = "AppBundle\Entity\Service\SubService",
* "" = "AppBundle\Entity\ServerService"
* })
*/
The join portion that's generated:
LEFT JOIN server_services s2_ ON s0_.server_id = s2_.server_id AND s2_.service_type_id IN ('1', '12')
This is entirely incorrect. I have an entire mapping of 1 - 12. And an "" empty string match. If a row does not have a known mapping (in my code) OR if it's empty, it should be set to the default base ServerService.
I did find this post: Leave out discriminator part of Doctrine' generated SQL
However, it's back in 2014, made mention of a difference in version, and does not compensate for duplicate, or default Mappings.
EDIT: For the record, I tried the ignore route -- it didn't work.
$q->setHint(\Doctrine\ORM\Query::HINT_CUSTOM_OUTPUT_WALKER, MySqlWalker::class)
->setHint(MySqlWalker::IGNORE_DISCRIMINATION, array('ss'));
Still returns the above SQL Joint statement. It does call MySqlWalker; it does go into the setInheritanceType() call, but it does not ignore the Discriminator mapping. :/

Answer 1

Found an answer to one option: Ignoring
In Doctrine 2.2.x, my statements were in the JOIN, not WHERE clause. Using the example in Leave out discriminator part of Doctrine' generated SQL, I had to overload the ->walkJoin() method to get ignore to work properly:
/**
* {#inheritdoc}
*/
public function walkJoin($join)
{
$this->checkForHint();
return parent::walkJoin($join);
}
protected function checkForHint()
{
$ignoreDescription = $this->getQuery()->getHint(self::IGNORE_DISCRIMINATION);
if ($ignoreDescription) {
foreach ($this->getQueryComponents() as $k => $component) {
if (in_array($k, $ignoreDescription)) {
/** #var $meta ClassMetadata */
$meta = $component['metadata'];
$meta->setInheritanceType(ClassMetadata::INHERITANCE_TYPE_NONE);
}
}
}
}
Still have not resolved Duplicate or Default discriminator values...