vatsrahul1001 opened a new pull request, #52982:
URL: https://github.com/apache/airflow/pull/52982
This PR fixes an issue where downgrading from 3.0.3RC4 to 3.0.2 was failing
The current downgrade logic treats downgrading to 3.0.0 the same as
downgrading below 3.0.0, which is incorrect.
**ERROR**
```
[2025-07-07T14:54:25.119+0000] {db.py:1210} INFO - Attempting downgrade to
revision 29ce7909c52b
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 10, in <module>
sys.exit(main())
^^^^^^
File "/opt/airflow/airflow-core/src/airflow/__main__.py", line 55, in main
args.func(args)
File "/opt/airflow/airflow-core/src/airflow/cli/cli_config.py", line 48,
in command
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/opt/airflow/airflow-core/src/airflow/utils/cli.py", line 112, in
wrapper
return f(*args, **kwargs)
^^^^^^^^^^^^^^^^^^
File
"/opt/airflow/airflow-core/src/airflow/utils/providers_configuration_loader.py",
line 55, in wrapped_function
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/opt/airflow/airflow-core/src/airflow/cli/commands/db_command.py",
line 204, in downgrade
run_db_downgrade_command(args, db.downgrade, _REVISION_HEADS_MAP)
File "/opt/airflow/airflow-core/src/airflow/cli/commands/db_command.py",
line 179, in run_db_downgrade_command
command(to_revision=to_revision, from_revision=from_revision,
show_sql_only=args.show_sql_only)
File "/opt/airflow/airflow-core/src/airflow/utils/session.py", line 101,
in wrapper
return func(*args, session=session, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/airflow/airflow-core/src/airflow/utils/db.py", line 1225, in
downgrade
raise AirflowException(
airflow.exceptions.AirflowException: Downgrade to revision less than 3.0.0
requires that `ab_user` table is present. Please add FabDBManager to [core]
external_db_managers and run fab migrations before proceeding
```
**^ Add meaningful description above**
Read the **[Pull Request
Guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#pull-request-guidelines)**
for more information.
In case of fundamental code changes, an Airflow Improvement Proposal
([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvement+Proposals))
is needed.
In case of a new dependency, check compliance with the [ASF 3rd Party
License Policy](https://www.apache.org/legal/resolved.html#category-x).
In case of backwards incompatible changes please leave a note in a
newsfragment file, named `{pr_number}.significant.rst` or
`{issue_number}.significant.rst`, in
[airflow-core/newsfragments](https://github.com/apache/airflow/tree/main/airflow-core/newsfragments).
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
