#30188: Aggregate annotation, Case() - When(): AssertionError No exception
message
supplied
-------------------------------------+-------------------------------------
Reporter: Lukas Klement | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 2.1
(models, ORM) |
Severity: Normal | Resolution: fixed
Keywords: query, aggregate, | Triage Stage: Accepted
case/when |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Mariusz Felisiak <felisiak.mariusz@…>):
In [changeset:"3913acdb29d09109ec82ce789b592e6281aa7be9" 3913acdb]:
{{{
#!CommitTicketReference repository=""
revision="3913acdb29d09109ec82ce789b592e6281aa7be9"
[3.1.x] Fixed #31568 -- Fixed alias reference when aggregating over
multiple subqueries.
691def10a0197d83d2d108bd9043b0916d0f09b4 made all Subquery() instances
equal to each other which broke aggregation subquery pushdown which
relied on object equality to determine which alias it should select.
Subquery.__eq__() will be fixed in an another commit but
Query.rewrite_cols() should haved used object identity from the start.
Refs #30727, #30188.
Thanks Makina Corpus for the report.
Backport of adfbf653dc1c1d0e0dacc4ed46602d22ba28b004 from master
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/30188#comment:28>
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