text: --****
  -- Copyright 2014 ThoughtWorks, Inc.
  --
  -- 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.
  --*****
  
  ALTER TABLE pipelines ADD COLUMN counter BIGINT;
  CREATE INDEX idx_pipelines_name_counter ON pipelines( name, counter );
  
  --//@UNDO
  
  DROP INDEX idx_pipelines_name_counter;
  ALTER TABLE pipelines DROP COLUMN counter;
  