Probably the best proof that this doesn't work is sqlalchemy-migrate's sqlite constraint dropper doesn't support dropping constraints in migrations:
https://github.com/stackforge/sqlalchemy-migrate/blob/0.9/migrate/changeset/databases/sqlite.py#L143
Probably the best proof that this doesn't work is sqlalchemy- migrate' s sqlite constraint dropper doesn't support dropping constraints in migrations:
https:/ /github. com/stackforge/ sqlalchemy- migrate/ blob/0. 9/migrate/ changeset/ databases/ sqlite. py#L143