Use a single associative entity related to different entities #6670

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admin · 2026-01-22T15:36:46+01:00

admin commented

2026-01-22 15:36:46 +01:00

Originally created by @ZaneCEO on GitHub (Apr 1, 2021).

This issue relates to my question "Doctrine in Symfony: use a single “Author” associative entity related to different entities" on StackOverflow.

In a nutshell: at the moment it looks like it's not possible to handle a single associative entity relating to two or more unrelated entities (depending on a third field).

I think it's unlikely that this cannot be done with Doctrine at the moment (it's a very common database design). What is more likely to me is that the feature isn't documented (or, at least, I cannot find it).

Originally created by @ZaneCEO on GitHub (Apr 1, 2021). This issue relates to my question "[Doctrine in Symfony: use a single “Author” associative entity related to different entities](https://stackoverflow.com/q/66901745/1204976)" on StackOverflow. In a nutshell: at the moment it looks like it's not possible to handle a single associative entity relating to two or more unrelated entities (depending on a third field). I think it's unlikely that this cannot be done with Doctrine at the moment (it's a very common database design). What is more likely to me is that the feature isn't documented (or, at least, I cannot find it).

admin closed this issue

2026-01-22 15:36:46 +01:00

admin commented

2026-01-22 15:36:47 +01:00

@ZaneCEO commented on GitHub (Apr 1, 2021):

Single table inheritance is what I was looking for.

@ZaneCEO commented on GitHub (Apr 1, 2021): [Single table inheritance](https://www.doctrine-project.org/projects/doctrine-orm/en/2.8/reference/inheritance-mapping.html#single-table-inheritance) is what I was looking for.

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Reference: doctrine/archived-orm#6670