Extra Lazy Associations should mention indexBy parameter #5221

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admin · 2026-01-22T15:01:52+01:00

admin commented

2026-01-22 15:01:52 +01:00

Originally created by @ntoniazzi on GitHub (Aug 18, 2016).

In the documentation about Extra Lazy Associations, there is no mention of the indexBy parameter which is mandatory to not load the whole collection when using the methods contains, get, containsKey, etc.

Originally created by @ntoniazzi on GitHub (Aug 18, 2016). In the documentation about [Extra Lazy Associations](http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/tutorials/extra-lazy-associations.html), there is no mention of the `indexBy` parameter which is [mandatory](https://github.com/doctrine/doctrine2/blob/master/lib/Doctrine/ORM/PersistentCollection.php#L407) to not load the whole collection when using the methods `contains`, `get`, `containsKey`, etc.

admin commented

2026-01-22 15:01:53 +01:00

@ComaVN commented on GitHub (Apr 29, 2020):

I got bitten by the same thing. That's a few hours of my life gone...

@ComaVN commented on GitHub (Apr 29, 2020): I got bitten by the same thing. That's a few hours of my life gone...

admin commented

2026-01-22 15:01:53 +01:00

@greg0ire commented on GitHub (Apr 29, 2020):

Consider sending a PR to fix that.

@greg0ire commented on GitHub (Apr 29, 2020): Consider sending a PR to fix that.

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Reference: doctrine/archived-orm#5221