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7ec22226cdbf_new_replica_state_for_temporary_.py
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7ec22226cdbf_new_replica_state_for_temporary_.py
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# Copyright European Organization for Nuclear Research (CERN) since 2012
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
''' new replica state for temporary unavailable replicas '''
from alembic import context, op
from alembic.op import create_check_constraint
from rucio.db.sqla.util import try_drop_constraint
# Alembic revision identifiers
revision = '7ec22226cdbf'
down_revision = '3345511706b8'
def upgrade():
'''
Upgrade the database to this revision
'''
schema = context.get_context().version_table_schema + '.' if context.get_context().version_table_schema else ''
if context.get_context().dialect.name == 'oracle':
try_drop_constraint('REPLICAS_STATE_CHK', 'replicas')
create_check_constraint(constraint_name='REPLICAS_STATE_CHK', table_name='replicas',
condition="state in ('A', 'U', 'C', 'B', 'D', 'S', 'T')")
elif context.get_context().dialect.name == 'postgresql':
op.execute('ALTER TABLE ' + schema + 'replicas DROP CONSTRAINT IF EXISTS "REPLICAS_STATE_CHK", ALTER COLUMN state TYPE CHAR')
op.execute('DROP TYPE "REPLICAS_STATE_CHK"')
op.execute("CREATE TYPE \"REPLICAS_STATE_CHK\" AS ENUM('A', 'U', 'C', 'B', 'D', 'S', 'T')")
op.execute("ALTER TABLE %sreplicas ALTER COLUMN state TYPE \"REPLICAS_STATE_CHK\" USING state::\"REPLICAS_STATE_CHK\"" % schema)
elif context.get_context().dialect.name == 'mysql':
op.execute('ALTER TABLE ' + schema + 'replicas DROP CHECK REPLICAS_STATE_CHK') # pylint: disable=no-member
create_check_constraint(constraint_name='REPLICAS_STATE_CHK', table_name='replicas',
condition="state in ('A', 'U', 'C', 'B', 'D', 'S', 'T')")
def downgrade():
'''
Downgrade the database to the previous revision
'''
schema = context.get_context().version_table_schema + '.' if context.get_context().version_table_schema else ''
if context.get_context().dialect.name == 'oracle':
try_drop_constraint('REPLICAS_STATE_CHK', 'replicas')
create_check_constraint(constraint_name='REPLICAS_STATE_CHK', table_name='replicas',
condition="state in ('A', 'U', 'C', 'B', 'D', 'S')")
elif context.get_context().dialect.name == 'postgresql':
op.execute('ALTER TABLE ' + schema + 'replicas DROP CONSTRAINT IF EXISTS "REPLICAS_STATE_CHK", ALTER COLUMN state TYPE CHAR')
op.execute('DROP TYPE "REPLICAS_STATE_CHK"')
op.execute("CREATE TYPE \"REPLICAS_STATE_CHK\" AS ENUM('A', 'U', 'C', 'B', 'D', 'S')")
op.execute("ALTER TABLE %sreplicas ALTER COLUMN state TYPE \"REPLICAS_STATE_CHK\" USING state::\"REPLICAS_STATE_CHK\"" % schema)
elif context.get_context().dialect.name == 'mysql':
op.execute('ALTER TABLE ' + schema + 'replicas DROP CHECK REPLICAS_STATE_CHK') # pylint: disable=no-member
create_check_constraint(constraint_name='REPLICAS_STATE_CHK', table_name='replicas',
condition="state in ('A', 'U', 'C', 'B', 'D', 'S')")