How can I chain Django's “in” and “iexact” que

2019-03-15 06:23发布

I have a list of names, e.g.:

name_list = ['Alpha', 'bEtA', 'omegA']

Currently I have the following queryset:

MyModel.objects.filter(name__in=name_list)

I would like to be able to filter the names in a case-insensitive fashion. My first thought was to use the iexact field lookup but it doesn't seem to work with in. How can I use the iexact with the in field lookup for my queryset? Or is there an alternate way to perform this query?

2条回答
贪生不怕死
2楼-- · 2019-03-15 06:26

Here's my solution, which uses Q objects instead:

name_list = ['Alpha', 'bEtA', 'omegA']
q_list = map(lambda n: Q(name__iexact=n), name_list)
q_list = reduce(lambda a, b: a | b, q_list)
MyModel.objects.filter(q_list)
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聊天终结者
3楼-- · 2019-03-15 06:52
name_list = ['Alpha', 'bEtA', 'omegA']
results = MyModel.objects.none()
for name in name_list:
    results |= MyModel.objects.filter(name__iexact=name)

Ok I test it and it works :)

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