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Diffstat (limited to 'doc/source/contributor/database-migrations.rst')
| -rw-r--r-- | doc/source/contributor/database-migrations.rst | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/doc/source/contributor/database-migrations.rst b/doc/source/contributor/database-migrations.rst index f8e8a7a5e..3827ea8e6 100644 --- a/doc/source/contributor/database-migrations.rst +++ b/doc/source/contributor/database-migrations.rst @@ -17,10 +17,17 @@ Database Migrations =================== +.. note:: + + The framework being used is currently being migrated from + SQLAlchemy-Migrate to Alembic, meaning this information will change in the + near-term. + Starting with Newton, keystone supports upgrading both with and without downtime. In order to support this, there are three separate migration -repositories (all under ``keystone/common/sql/``) that match the three phases -of an upgrade (schema expansion, data migration, and schema contraction): +repositories (all under ``keystone/common/sql/legacy_migrations``) that match +the three phases of an upgrade (schema expansion, data migration, and schema +contraction): ``expand_repo`` For additive schema modifications and triggers to ensure data is kept in |