#24662: Sum() returns True/False when used with BooleanField & MySQL
-------------------------------------+-------------------------------------
     Reporter:  chriskief            |                    Owner:  marco-
                                     |  santamaria
         Type:  Bug                  |                   Status:  assigned
    Component:  Database layer       |                  Version:  1.8
  (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
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Comment (by chriskief):

 True doesn't seem like the correct behavior to me either, but I'm also
 surprised that this worked correctly in the past now that I understand
 what's going on.

 My gut says to lean towards consistency in behavior and in that case, it's
 strange that True is returned when there's a single row in the database,
 and a Decimal is returned when there is more than one row. In addition, a
 numeric value is returned in all cases when using SQLite.

 Should probably take a look at what Postgres and Oracle return as well.

--
Ticket URL: <https://code.djangoproject.com/ticket/24662#comment:5>
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