#29767: Django ORM: Cast between datetime and date
-----------------------------------------+------------------------
Reporter: Rémy Hubscher | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 2.1
Severity: Normal | 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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While using with Annotations and Cast I realized that the casting between
datetime and date with SQLite3 was kinda broken.
{{{
Cast("datetime_field", DateField())
}}}
is transformed into
{{{
CAST("datetime_field" AS TEXT)
}}}
rather than for instance
{{{
substr(CAST(datetime_field AS TEXT),0,11)
}}}
I was able to use extra to fix that and run the query. However I would
like to fix this.
This is especially useful for my usecase where I want to GROUP BY the
annotated value.
I wrote a test for it https://github.com/django/django/pull/10387/files
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Ticket URL: <https://code.djangoproject.com/ticket/29767>
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