#19918: select_for_update runs on db_for_read rather than db_for_write
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     Reporter:                       |                    Owner:  kux
  alexandruioan.cucu@…               |                   Status:  assigned
         Type:  Bug                  |                  Version:  master
    Component:  Database layer       |               Resolution:
  (models, ORM)                      |             Triage Stage:  Accepted
     Severity:  Normal               |      Needs documentation:  0
     Keywords:                       |  Patch needs improvement:  0
    Has patch:  1                    |                    UI/UX:  0
  Needs tests:  0                    |
Easy pickings:  0                    |
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Comment (by anonymous):

 The fact that the db was running with --read-only flag is a fortunate
 case. Otherwise this bug would cause subtle concurrency issues since all
 exclusive locks would be held on the slave db instead of master.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/19918#comment:7>
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