#34188: Add a section on refresh_from_db to the Multiple databases documentation
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Reporter: martinmain93 | Owner: nobody
Type: Uncategorized | Status: new
Component: Documentation | Version: 4.1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 1
UI/UX: 0 |
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I've recently implemented multiple databases in a project using a read-
replica setup, and everything went quite smoothly. The docs (
https://docs.djangoproject.com/en/4.1/topics/db/multi-db/) were helpful to
set up a simple database router and the appropriate config changes. One of
the first big issues I ran into was that I quickly ran into errors any
time in the app that `refresh_from_db` was being used. Because of the
nature of the command, it's usually being issued when some action was
committed and I want to get the latest data from the database. Of course
this is going to be an issue with multiple databases. With some digging, I
discovered that you can indeed use `refresh_from_db(using=db)` to select
the default database. This quickly solved the issue.
I think it would be very useful to anyone setting up a multi db setup to
have a short section on the Multiple Databases docs that includes this
information.
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Ticket URL: <https://code.djangoproject.com/ticket/34188>
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