Re: [Django] #37237: Slow queryset building when using __in lookup with a large list of values against a related field

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Aug 1, 2026, 5:53:39 AM (2 days ago) Aug 1
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#37237: Slow queryset building when using __in lookup with a large list of values
against a related field
-------------------------------------+-------------------------------------
Reporter: Adam Sołtysik | Owner: Mariano
Type: | Ignacio Baragiola
Cleanup/optimization | Status: assigned
Component: Database layer | Version: 6.0
(models, ORM) |
Severity: Normal | Resolution:
Keywords: performance | Triage Stage: Accepted
relatedin |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by Mariano Ignacio Baragiola):

* has_patch: 0 => 1
* owner: (none) => Mariano Ignacio Baragiola
* status: new => assigned

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Ticket URL: <https://code.djangoproject.com/ticket/37237#comment:12>
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