#34580: Performance regession in SQLCompiler
-------------------------------------+-------------------------------------
     Reporter:  David Smith          |                    Owner:  David
         Type:                       |  Smith
  Cleanup/optimization               |                   Status:  closed
    Component:  Database layer       |                  Version:  4.2
  (models, ORM)                      |
     Severity:  Release blocker      |               Resolution:  fixed
     Keywords:                       |             Triage Stage:  Ready for
                                     |  checkin
    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:"e1c00f8b361bf89deb68733bbc5189734bbcd6b5" e1c00f8]:
 {{{
 #!CommitTicketReference repository=""
 revision="e1c00f8b361bf89deb68733bbc5189734bbcd6b5"
 [4.2.x] Fixed #34580 -- Avoided unnecessary computation of selected
 expressions in SQLCompiler.

 Performance regression in 278881e37619278789942513916acafaa88d26f3.

 Co-authored-by: David Smith <[email protected]>

 Backport of 98f6ada0e2058d67d91fb6c16482411ec2ca0967 from main
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/34580#comment:7>
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