text: -- Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
  -- Copyright [2016] EMBL-European Bioinformatics Institute
  -- 
  -- 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.
  
  
  ####################
  # change the schema of the database to include the failed_variation table
  ####################
  
  CREATE TABLE IF NOT EXISTS failed_variation(
      variation_id int(10) unsigned not null,
      failed_description_id int(10) unsigned not null,
  
      PRIMARY KEY(variation_id)
  );
  
  #import the data in the failed_variation table
  
  INSERT INTO failed_variation (variation_id, failed_description_id)
    SELECT variation_id, failed_description_id
    FROM variation
    WHERE failed_description_id <> 0;
  
  #and remove the column from the variation table
  
  ALTER TABLE variation DROP failed_description_id;
  
  #and update the meta table with the patch applied
  INSERT INTO meta (meta_key,meta_value) VALUES ('patch','patch_43_44_b.sql|update database schema');	
  