text: # -*- coding: utf-8 -*-
  #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
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  # regarding copyright ownership.  The ASF licenses this file
  # to you 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
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  """add is_encrypted column to variable table
  
  Revision ID: 1968acfc09e3
  Revises: bba5a7cfc896
  Create Date: 2016-02-02 17:20:55.692295
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '1968acfc09e3'
  down_revision = 'bba5a7cfc896'
  branch_labels = None
  depends_on = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.add_column('variable', sa.Column('is_encrypted', sa.Boolean,default=False))
  
  
  def downgrade():
      op.drop_column('variable', 'is_encrypted')
  