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# Copyright (C) 2019 Bloomberg LP 

# 

# 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. 

 

"""Persist cancellation of operations 

 

Revision ID: bbe7e36a3717 

Revises: c3032fa2308f 

Create Date: 2019-07-25 15:20:26.475896 

 

""" 

from alembic import op 

import sqlalchemy as sa 

 

 

# revision identifiers, used by Alembic. 

revision = 'bbe7e36a3717' 

down_revision = 'c3032fa2308f' 

branch_labels = None 

depends_on = None 

 

 

def upgrade(): 

op.add_column('operations', sa.Column('cancelled', sa.Boolean(), default=False)) 

 

 

def downgrade(): 

op.drop_column('operations', 'cancelled')