text: # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # 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
  #
  # 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.
  """materialize perms
  
  Revision ID: e46f2d27a08e
  Revises: c611f2b591b8
  Create Date: 2016-11-14 15:23:32.594898
  
  """
  # revision identifiers, used by Alembic.
  revision = "e46f2d27a08e"
  down_revision = "c611f2b591b8"
  
  import sqlalchemy as sa
  from alembic import op
  
  
  def upgrade():
      op.add_column(
          "datasources", sa.Column("perm", sa.String(length=1000), nullable=True)
      )
      op.add_column("dbs", sa.Column("perm", sa.String(length=1000), nullable=True))
      op.add_column("tables", sa.Column("perm", sa.String(length=1000), nullable=True))
  
  
  def downgrade():
      op.drop_column("tables", "perm")
      op.drop_column("datasources", "perm")
      op.drop_column("dbs", "perm")
  