text: ---
  -- #%L
  -- DeviceHive Dao RDBMS Implementation
  -- %%
  -- Copyright (C) 2016 - 2017 DataArt
  -- %%
  -- 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.
  -- #L%
  ---
  
  alter table plugin
  alter column subscription_id drop default;
  drop sequence plugin_subscription_id_seq;
  
  alter table plugin
  alter column user_id drop default;
  drop sequence plugin_user_id_seq;
  