#34125: Limiting QuerySet crashes on union() with a single non-empty query
-------------------------------------+-------------------------------------
Reporter: Stefan Hammer | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: dev
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by Mariusz Felisiak):
* cc: Simon Charette (added)
* severity: Normal => Release blocker
* stage: Unreviewed => Accepted
Comment:
Thanks for the report! I attached a regression test which generates the
following SQL on PostgreSQL:
{{{#!sql
(SELECT "queries_number"."id",
"queries_number"."num",
"queries_number"."other_num",
"queries_number"."another_num"
FROM "queries_number"
WHERE "queries_number"."num" <= 0
LIMIT 1)
LIMIT 1;
}}}
Regression in 3d734c09ff0138441dfe0a59010435871d17950f.
Reproduced at de2c2127b66e77a034c01c81753c5c08e651a5b4.
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Ticket URL: <https://code.djangoproject.com/ticket/34125#comment:3>
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