ephraimbuddy commented on PR #49002:
URL: https://github.com/apache/airflow/pull/49002#issuecomment-2855221712
> I've added a field named `test` in `dag` and tried locally with breeze
shell which work well to detect the change.
>
> ```shell
> $ breeze shell "cd airflow-core/src/airflow && alembic check"
>
> [2025-05-06T12:23:10.917+0000] {migration.py:207} INFO - Context impl
SQLiteImpl.
> [2025-05-06T12:23:10.919+0000] {migration.py:210} INFO - Will assume
non-transactional DDL.
> [2025-05-06T12:23:11.124+0000] {compare.py:400} INFO - Detected added
column 'dag.test_field'
> [2025-05-06T12:23:11.158+0000] {messaging.py:71} ERROR - New upgrade
operations detected: [('add_column', None, 'dag', Column('test_field',
String(length=2000), table=<dag>))]
> FAILED: New upgrade operations detected: [('add_column', None, 'dag',
Column('test_field', String(length=2000),
> table=<dag>))]
> Error 255 returned
> ```
>
> but
>
> ```shell
> $ pre-commit run check-model-changes
> Check if model changes require DB
migration..............................Passed
> ```
wow. That's nice
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