#29771: Support database-specific syntax for bulk_update
-------------------------------------+-------------------------------------
Reporter: Tom | Owner: nobody
Forbes |
Type: | Status: new
Cleanup/optimization |
Component: Database | Version: master
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
As Simon points out here
(https://code.djangoproject.com/ticket/23646#comment:15) specialized
syntax can massively speed up `bulk_update()`.
Postgres supports using `UPDATE ... FROM`
([https://stackoverflow.com/questions/18797608/update-multiple-rows-in-
same-query-using-postgresql]) and we can possibly emulate this with MySQL
and `UNION ...`'s.
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Ticket URL: <https://code.djangoproject.com/ticket/29771>
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