#23576: Fast-path deletion for MySQL
-------------------------------------+-------------------------------------
Reporter: Jon Dufresne | Owner: Simon
| Charette
Type: New feature | Status: closed
Component: Database layer | Version: master
(models, ORM) |
Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Ready for
| checkin
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Mariusz Felisiak <felisiak.mariusz@…>):
In [changeset:"f6405c0b8ef7aff513b105c1da68407a881a3671" f6405c0]:
{{{
#!CommitTicketReference repository=""
revision="f6405c0b8ef7aff513b105c1da68407a881a3671"
Fixed #31965 -- Adjusted multi-table fast-deletion on MySQL/MariaDB.
The optimization introduced in 7acef095d73 did not properly handle
deletion involving filters against aggregate annotations.
It initially was surfaced by a MariaDB test failure but misattributed
to an undocumented change in behavior that resulted in the systemic
generation of poorly performing database queries in 5b83bae031.
Thanks Anton Plotkin for the report.
Refs #23576.
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/23576#comment:10>
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