If I do these series of commands in Alembic the result doesn't make sense to me. I would expect that the autogenerated migration would be empty as I changed nothing in the database between invocations.
Is my understanding incorrect? I assumed that this would produce an empty change set called "nothing changed"
alembic downgrade base # reset to nothing
alembic upgrade b2 #my revision, this works fine.
alembic revision --autogenerate -m "nothing changed"
INFO [alembic.autogenerate.compare] Detected added table '... For every table
