The GitHub Actions job "Tests AMD" on airflow.git/main has failed.
Run started by GitHub user potiuk (triggered by potiuk).

Head commit for run:
1d04f09762f9293b4e18a7689e43e3c28ae7d0db / Ash Berlin-Taylor <[email protected]>
Allow downgrading to 2.11 from 3.x (#54371)

* Allow downgrading to 2.11 from 3.x

There were two things blocking this:

1) The revision heads map didn't have any 2.11.x versions in it, so the
   previous implementation of `_get_version_revision` was only looking within
   the same <major.minor> pathc version.

   We change it to rely on the fact that our pre-commit checks ensure this map
   is ordered, and iterate over the dictionary reversed, and when we find the
   first thing less than the target revision we use that (direct equal is
   handled already above)

2) The `ab_*` tables not existing were blocking the migration. Part of this is
   now fixable manually with #54227, but I have decided that since FAB was
   required and the only option in 2.x, so I have decided to just create the
   tables if they are missing

   In order to try and cope with possible future changes I create the tables
   at the latest version and then downgrade to the oldest known revision.

   This is all handled in a `reset_to_2_x()` method on the FABDBManager, with
   a fallback to just blindly create the tables from the ORM for versions of
   the provider that don't yet have that function.

* Remove `downgrade` from the RunDBManager interface

This never made sense, and wasn't actually called as part of the `airflow db
downgrade` CLI calls.

The reason it doesn't make sense is that the version you pass is either the
Airflow version (but external DB managers are installed and versioned
separately) or the migration revision ID for the Airflow Core meta db.

For FAB specifically there is the `airflow fab-db` CLI command to manage
things, so "checking RunDBManager doesn't run Fab migrations" doesn't make
sense as a test now (as the code that _could_ do it is removed), so I've
removed the test too.

Report URL: https://github.com/apache/airflow/actions/runs/16902174068

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