6134ff689a
* save task failures to sqlalchemy backend and restore them
from there;
* for any wrapped exception use common WrappedFailre exception
type, which makes it easier to handle particular exception types;
* several minor improvements.
Affects-db: this change adds db migration that looses exception
information for saved task details.
Change-Id: I575282002e6999646bbf51f492b82a7e3525787a
Please see https://alembic.readthedocs.org/en/latest/index.html for general documentation To create alembic migrations you need to have alembic installed and available in PATH: # pip install alembic $ cd ./taskflow/persistence/backends/sqlalchemy/alembic $ alembic revision -m "migration_description" See Operation Reference https://alembic.readthedocs.org/en/latest/ops.html#ops for a short list of commands