Django-filter: For ModelMultipleChoiceFilter query_parms if given null gives empty result
class filter(filters.FilterSet):
filename = django_filters.CharFilter(name='filename', lookup_expr='contains')
state = django_filters.filters.ModelMultipleChoiceFilter(
name='state_id',
to_field_name ='state' ,
queryset=models.IngestionState.objects.all())
http://localhost:8000/ingestion-detail/?filename="{something}"&status=
The above URL gives empty result.
Only when status = {something} we are getting the required result. This is case specific to ModelMultipleChoiceFilter only
nhuzaa
All 3 comments
Well, difficult to help with what you've said.
'status' != 'state' but I assume that's a typo.
Try from django_filters.constants import STRICTNESS and set the strict meta option to STRICTNESS.RAISE_VALIDATION_ERROR. That should at least tell you something.
Otherwise I'll need you to try and identify something much more specific before I can consider this an Issue. Maybe StackOverflow would suit you better if you just need help.
carltongibson
on 17 May 2017
HI，I had the same problem , in this situation ,how to fix the empty result if ,my url had the status=blank, if i want the status in all possible?
Laotanling
on 21 Jun 2018
from django_filters.constants import STRICTNESS this showing me error called ImportError: cannot import name 'STRICTNESS'
PramodTKodag
on 12 Aug 2018
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from django_filters.constants import STRICTNESSthis showing me error calledImportError: cannot import name 'STRICTNESS'