#23605: ORM neglects to use aliases it has set up when certain multiple 
subqueries
are used
-------------------------------------+-------------------------------------
     Reporter:  ris                  |                    Owner:  nobody
         Type:  Bug                  |                   Status:  closed
    Component:  Database layer       |                  Version:  1.7
  (models, ORM)                      |               Resolution:  fixed
     Severity:  Normal               |             Triage Stage:  Accepted
     Keywords:  orm subquery alias   |      Needs documentation:  0
    Has patch:  1                    |  Patch needs improvement:  1
  Needs tests:  0                    |                    UI/UX:  0
Easy pickings:  0                    |
-------------------------------------+-------------------------------------

Comment (by Tim Graham <timograham@…>):

 In [changeset:"01f2cf2aecc932d43b20b55fc19a8fa440457b5f"]:
 {{{
 #!CommitTicketReference repository=""
 revision="01f2cf2aecc932d43b20b55fc19a8fa440457b5f"
 [1.7.x] Fixed #23605 -- Fixed nested subquery regression

 Added relabeled_clone() method to sql.Query to fix the problem. It
 manifested itself in rare cases where at least double nested subquery's
 filter condition might target non-existing alias.

 Thanks to Trac alias ris for reporting the problem.

 Backport of 5c481db29572a387651681b43d5d4523f96b3793 from master
 }}}

--
Ticket URL: <https://code.djangoproject.com/ticket/23605#comment:18>
Django <https://code.djangoproject.com/>
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