#31324: Filter JSONField using `=None`
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Reporter: Nikolay Tretyak | Owner: Nikolay
| Tretyak
Type: Bug | Status: assigned
Component: Database layer | Version: 3.0
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Nikolay Tretyak):
Yes, {{{Charfield}}} uses {{{''}}} as an empty value. But if you use
{{{filter(charfield=None)}}} it will produce {{{IS NULL}}} sql, not {{{=
''}}}. And this behavior is clear. So, why should we transform
{{{filter(jsonfield=None)}}} to {{{= 'null'}}}?
I think that the majority of JSONField users want to check if the
{{{jsonfield__key}}} is {{{'null'}}}. But are there any use cases when
they want to store just {{{'null'}}} in the whole field instead of SQL
{{{NULL}}}?
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Ticket URL: <https://code.djangoproject.com/ticket/31324#comment:11>
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