#35718: Some useful postgres functions for JSON are missing from contrib
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Reporter: john-parton | Owner: john-parton
Type: New feature | Status: assigned
Component: contrib.postgres | Version: dev
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 1 | Needs documentation: 1
Needs tests: 1 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
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Comment (by Simon Charette):
If we are going to add these functions they should support SQLite, MySQL,
and Oracle as well otherwise they are trivial to implement using `Func`
solely for Postgres and they don't belong in core in my opinion. They
should live in `django.db.models.functions.json`.
> jsonb_build_object
> jsonb_build_array
> jsonb_array_elements
Seems like good candidate.
> jsonb_extract_path
> jsonb_extract_path_text
Per the Postgres docs you linked
> This is functionally equivalent to the #> operator, but writing the path
out as a variadic list can be more convenient in some cases.
Already achievable using the `__` syntax and `KT`
[https://docs.djangoproject.com/en/5.1/topics/db/queries/#module-
django.db.models.fields.json objects] so not worth adding IMO. You only
have to join your array as string.
> jsonb_array_length
Also not convinced this is warranted given
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Ticket URL: <https://code.djangoproject.com/ticket/35718#comment:4>
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