#24629: Allow Func Expressions to be used as Transforms
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Reporter: jarshwah | Owner: jarshwah
Type: | Status: new
Cleanup/optimization |
Component: Database | Version: master
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I can't seem to find a ticket mentioning this, though we have discussed it
before. Please close if you can find a related ticket.
Func Expressions and Transforms are extremely similar in API, but not
enough to be interchangeable. Transforms are 1-arity (usually -
postgres.array.IndexTransform is a notable exception) Functions with
special behaviour.
Instead of implementing a Length Func and a Length Transform, we should be
able to implement a Length Func and register that same class as a
Transform. That's not currently possible because of the slight differences
in API and behaviour. We should resolve this ASAP.
--
Ticket URL: <https://code.djangoproject.com/ticket/24629>
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