DDC-150: Discriminator column is lost when persisting entity. #185

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admin · 2026-01-22T12:29:54+01:00

admin commented

2026-01-22 12:29:54 +01:00

Originally created by @doctrinebot on GitHub (Nov 16, 2009).

Jira issue originally created by user rickdt:

The discriminator value column is lost after querying on an object.

Look at case DDC-149 for detailled entities.

Before this, $rev_type field equal "HEAD". After, it is empty string.

$qb = new \Doctrine\ORM\QueryBuilder($em);
        $qb->select('fna')
            ->from('Entity\FNA', 'fna')
            ->andwhere($qb->expr()->eq('fna.id', ':fna_id'));
        $qb->setParameter('fna_id', 1);
        $query = $qb->getQuery();

        $fna = $query->getSingleResult();
        $em->flush();

Originally created by @doctrinebot on GitHub (Nov 16, 2009). Jira issue originally created by user rickdt: The discriminator value column is lost after querying on an object. Look at case [DDC-149](http://www.doctrine-project.org/jira/browse/DDC-149) for detailled entities. Before this, $rev_type field equal "HEAD". After, it is empty string. ``` $qb = new \Doctrine\ORM\QueryBuilder($em); $qb->select('fna') ->from('Entity\FNA', 'fna') ->andwhere($qb->expr()->eq('fna.id', ':fna_id')); $qb->setParameter('fna_id', 1); $query = $qb->getQuery(); $fna = $query->getSingleResult(); $em->flush(); ```

admin added the Bug label 2026-01-22 12:29:54 +01:00

admin referenced this issue

2026-01-22 15:57:04 +01:00

[PR #185] [MERGED] Remove invalid(?) exception for now #7827

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Reference: doctrine/archived-orm#185