#25579: ArrayField query/lookup regression
----------------------------------+-------------------------------------
     Reporter:  freshquiz         |      Owner:
         Type:  Bug               |     Status:  new
    Component:  contrib.postgres  |    Version:  1.8
     Severity:  Normal            |   Keywords:  ArrayField query lookup
 Triage Stage:  Unreviewed        |  Has patch:  0
Easy pickings:  0                 |      UI/UX:  0
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 This commit:
 
[https://github.com/django/django/commit/39d95fb6ada99c59d47fa0eae6d3128abafe2d58]
 replaces the `get_prep_value` method with `get_db_prep_value` and I
 believe this causes a regression with regards to querying on an
 ArrayField.

 `get_db_prep_value` is never called during querying/lookup, hence the
 array items/values are passed directly to the low-level database Python
 wrappers without first being transformed (from Python objects to SQL-
 friendly parameters).

 See this question: [http://stackoverflow.com/questions/33250371
 /arrayfield-class-missing-query-lookup-methods]

 Could both the `get_prep_value` and `get_db_prep_value` methods be
 overridden with duplicate/shared logic to overcome this issue?

--
Ticket URL: <https://code.djangoproject.com/ticket/25579>
Django <https://code.djangoproject.com/>
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