#29968: QuerySet.bulk_update() doesn't check if objs argument contains 
duplicates
-------------------------------------+-------------------------------------
     Reporter:  lyl-lucas            |                    Owner:  nobody
         Type:                       |                   Status:  new
  Cleanup/optimization               |
    Component:  Database layer       |                  Version:  master
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by Tim Graham):

 * cc: Tom Forbes (added)
 * component:  Utilities => Database layer (models, ORM)
 * type:  Bug => Cleanup/optimization


Comment:

 I'm not sure if that will be a mistake common enough to add some
 protection against (considering that all checks have some performance
 costs). How did you run into it?

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29968#comment:1>
Django <https://code.djangoproject.com/>
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