#29112: Make it easier to update specific keys within nested Django JSONField
data.
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Reporter: Michael | Owner: (none)
Type: New feature | Status: new
Component: contrib.postgres | Version: 1.11
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 1 |
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Django's docs have a great example of querying nested data using double
underscore syntax similar to querying across foreign keys
{{{
Dog.objects.filter(data__owner__name='Bob')
}}}
What if we wanted to update this dogs owner's name instead (without
touching anything else)? Rather than doing this
{{{
dog = Dog.objects.get(pk=n)
data = dog.data
data['owner']['name'] = 'Steve'
dog.data = data
dog.save()
}}}
It would be great to do this:
{{{
Dog.objects.filter(pk=2).update(data__owner__name='Steve')
}}}
Looks like django-postgres-extensions[0] attempts to do this, but I found
the library to be unstable on 1.11.
[0] - http://django-postgres-extensions.readthedocs.io/
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Ticket URL: <https://code.djangoproject.com/ticket/29112>
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