#34255: Annotation/group by with an expression on psycopg3
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Reporter: Guillaume Andreu | Owner: nobody
Sabater |
Type: Bug | Status: new
Component: Database layer | Version: dev
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: orm postgres | Triage Stage: Accepted
psycopg3 annotation groupby |
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Simon Charette):
I believe here the issue is that the `year` annotation is ''elided'' from
the query for a good reason, only one column must be present in the
`ARRAY`/`SubqueryArray` construct.
In other words, the problem is not about grouping by alias or column index
but grouping by an expression that is elided from the select clause and
thus cannot be grouped by reference.
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Ticket URL: <https://code.djangoproject.com/ticket/34255#comment:4>
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