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Diffstat (limited to 'doc/source/reference/database-migrations.rst')
| -rw-r--r-- | doc/source/reference/database-migrations.rst | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/doc/source/reference/database-migrations.rst b/doc/source/reference/database-migrations.rst index add7597e93..ea2b9050d9 100644 --- a/doc/source/reference/database-migrations.rst +++ b/doc/source/reference/database-migrations.rst @@ -24,6 +24,10 @@ Schema migrations The database migration engine was changed from ``sqlalchemy-migrate`` to ``alembic``. +.. versionchanged:: 27.0.0 (Antelope) + + The legacy ``sqlalchemy-migrate``-based database migrations were removed. + The `alembic`__ database migration tool is used to manage schema migrations in nova. The migration files and related metadata can be found in ``nova/db/api/migrations`` (for the API database) and @@ -36,10 +40,10 @@ respectively. .. note:: - There are also legacy migrations provided in the ``legacy_migrations`` - subdirectory for both the API and main databases. These are provided to - facilitate upgrades from pre-Xena (24.0.0) deployments and will be removed - in a future release. They should not be modified or extended. + There were also legacy migrations provided in the ``legacy_migrations`` + subdirectory for both the API and main databases. These were provided to + facilitate upgrades from pre-Xena (24.0.0) deployments. They were removed + in the 27.0.0 (Antelope) release. The best reference for alembic is the `alembic documentation`__, but a small example is provided here. You can create the migration either manually or |