#30820: DateRange__contains does not work as filter
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Reporter: henhuy | Owner: (none)
Type: Bug | Status: new
Component: contrib.postgres | Version: 2.2
Severity: Normal | Keywords: postgres,
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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Having a model containing `django.contrib.postgres.fields.DateRangeField`
I cannot `filter` the range by date using "contains", BUT I can `get` one
object using "contains".
Example (my original case, is different - but this should show the error
as well):
import datetime as dt
from django import models
from django.contrib.postgres.fields import DateRangeField
class Period(models.Model):
value = models.IntegerField()
period = DateRangeField()
date = dt.date(2017, 1, 1)
# This works:
period = Period.objects.get(period__contains=date)
# This does not work:
period = Period.objects.filter(period__contains=date).first()
SQL-Query:
SELECT "period"."id", "period"."value", "period"."period" FROM "period"
WHERE "period"."period" @> (2017-01-01)::date
SQL-Error (translated from german):
FEHLER: Cannot transform Typ integer into date
There should be ' around the date, then it would work:
SELECT "period"."id", "period"."value", "period"."period" FROM "period"
WHERE "period"."period" @> ('2017-01-01')::date
Don't know why `get`works instead...
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Ticket URL: <https://code.djangoproject.com/ticket/30820>
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