text: ---------
  --- 
  --- © Copyright 2017 Greg Symons <gsymons@gsconsulting.biz>.
  ---
  --- 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.
  ---
  ---------
  
  ------
  --
  -- Drop global database objects created by migrations.
  --
  -- This script will be invoked automatically by Flyway after a "clean" 
  -- operation
  --
  ------
  
  DROP ROLE IF EXISTS 
    ReadUser,
    WriteUser,
    ${initial_read_user.name},
    ${initial_write_user.name};
  