#30628: order_by() on union() querysets results with wrong ordering when the
same
field type is presented multiple times.
-------------------------------------+-------------------------------------
Reporter: Julien Enselme | Owner: Simon
| Charette
Type: Bug | Status: closed
Component: Database layer | Version: 2.2
(models, ORM) |
Severity: Release blocker | Resolution: fixed
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Mariusz Felisiak <felisiak.mariusz@…>):
In [changeset:"8b1e324ca4aa1ae0721f6f5dcfba8325a751ef3c" 8b1e324]:
{{{#!CommitTicketReference repository=""
revision="8b1e324ca4aa1ae0721f6f5dcfba8325a751ef3c"
[5.2.x] Fixed #36173 -- Stabilized identity of Concat with an explicit
output_field.
When Expression.__init__() overrides make use of *args, **kwargs
captures their argument values are respectively bound as a tuple and
dict instances. These composite values might themselves contain values
that require special identity treatments such as Concat(output_field)
as it's a Field instance.
Refs #30628 which introduced bound Field differentiation but lacked
argument captures handling.
Thanks erchenstein for the report.
Backport of df2c4952df6d93c575fb8a3c853dc9d4c2449f36 from main
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/30628#comment:9>
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