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Home/ Questions/Q 4623496
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Editorial Team
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Editorial Team
Asked: May 22, 20262026-05-22T02:59:44+00:00 2026-05-22T02:59:44+00:00

I was used discriminator column in where clause like this: //f = root entity

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I was used discriminator column in where clause like this:

//f = root entity
$qb = $this->createQueryBuilder('f');
$qb->add('where', 'f.format = \'image\' OR f.format = \'text\'');

I’ve got an error: “Message: [Semantical Error] line 0, col 73 near ‘format = ‘image”: Error: Class Entities\File\AbstractFile has no field or association named format”

How can i use discriminator column in where clause?

Thanks.

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  1. Editorial Team
    Editorial Team
    2026-05-22T02:59:45+00:00Added an answer on May 22, 2026 at 2:59 am

    I think that you should use INSTANCE OF

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