**** CubicPower OpenStack Study ****
def upgrade(migrate_engine):
# Upgrade operations go here. Don't create your own engine; bind
# migrate_engine to your metadata
meta = MetaData()
meta.bind = migrate_engine
if migrate_engine.name == "mysql":
tables = ['tenant', 'user', 'role', 'token', 'service', 'metadata',
'ec2_credential', 'endpoint', 'user_tenant_membership']
sql = "SET foreign_key_checks = 0;"
for table in tables:
sql += "ALTER TABLE %s CONVERT TO CHARACTER SET utf8;" % table
sql += "SET foreign_key_checks = 1;"
sql += "ALTER DATABASE %s DEFAULT CHARACTER SET utf8;" \
% migrate_engine.url.database
migrate_engine.execute(sql)
**** CubicPower OpenStack Study ****
def downgrade(migrate_engine):
# Operations to reverse the above upgrade go here.
if migrate_engine.name == "mysql":
tables = ['tenant', 'user', 'role', 'token', 'service', 'metadata',
'ec2_credential', 'endpoint', 'user_tenant_membership']
sql = "SET foreign_key_checks = 0;"
for table in tables:
sql += "ALTER TABLE %s CONVERT TO CHARACTER SET latin1;" % table
sql += "SET foreign_key_checks = 1;"
sql += "ALTER DATABASE %s DEFAULT CHARACTER SET latin1;" \
% migrate_engine.url.database