#29725: Inefficient SQL generated when counting a ManyToMany
     Reporter:  Gavin Wahl           |                    Owner:  oliver
         Type:                       |                   Status:  closed
  Cleanup/optimization               |
    Component:  Database layer       |                  Version:  master
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:  fixed
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0

Comment (by Mariusz Felisiak <felisiak.mariusz@…>):

 In [changeset:"5f7991c42cff73b6278106d499d719b726f85ead" 5f7991c4]:
 #!CommitTicketReference repository=""
 Fixed #30325 -- Reverted "Fixed #29725 -- Removed unnecessary join in
 QuerySet.count() and exists() on a many-to-many relation."

 This reverts commit 1299421cadc4fcf63585f2f88337078e43e660e0 due to
 a regression with custom managers.

Ticket URL: <https://code.djangoproject.com/ticket/29725#comment:12>
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