Fixes bug #854905
Use sqlalchemy reflection whenever possible:
http://sqlalchemy-migrate.readthedocs.org/en/latest/versioning.html
Work around sqlalchemy-migrate sqlite 'bool column not deletable' issue:
http://code.google.com/p/sqlalchemy-migrate/issues/detail?id=143
Add following sql scripts for sqlite:
002_sqlite_downgrade.sql
015_sqlite_downgrade.sql
033_sqlite_downgrade.sql
050_sqlite_downgrade.sql
068_sqlite_downgrade.sql
Work around sqlalchemy-migrate sqlite 'table with foreign key column not
deletable' issue:
http://code.google.com/p/sqlalchemy-migrate/issues/detail?id=94
Add following sql scripts for sqlite:
003_sqlite_downgrade.sql
006_sqlite_downgrade.sql
007_sqlite_downgrade.sql
012_sqlite_upgrade.sql
013_sqlite_downgrade.sql
020_sqlite_downgrade.sql
030_sqlite_downgrade.sql
038_sqlite_downgrade.sql
042_sqlite_downgrade.sql
053_sqlite_downgrade.sql
067_sqlite_downgrade.sql
Work around sqlalchemy-migrate 'migrate drops engine reference' issue:
http://code.google.com/p/sqlalchemy-migrate/issues/detail?id=72
Add following sql scripts for long primary key to work with utf-8
mysql table:
072_mysql_upgrade.sql
Add following sql scripts for postgresql:
002_postgresql_downgrade.sql
Add snake walk test cases for database migration based on glance migration
test.
Change-Id: Ib454ecb4662bbf47736c1b12d9a4f969f180ceb6
830c284dbb