text: -- Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
  -- Copyright [2016-2018] 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.
  
  
  ## Add clinical_significance to variation_feature (copied from variation)
  ALTER TABLE variation 
  MODIFY COLUMN clinical_significance 
  SET('drug-response','histocompatibility','non-pathogenic','other','pathogenic','probable-non-pathogenic','probable-pathogenic','unknown','untested');
  
  ALTER TABLE variation_feature
  ADD COLUMN clinical_significance
  SET('drug-response','histocompatibility','non-pathogenic','other','pathogenic','probable-non-pathogenic','probable-pathogenic','unknown','untested') DEFAULT NULL;
  
  UPDATE variation_feature vf, variation v
  SET vf.clinical_significance = v.clinical_significance
  WHERE v.variation_id = vf.variation_id;
  
  #patch identifier
  INSERT INTO meta (species_id, meta_key, meta_value) VALUES (NULL, 'patch', 'patch_73_74_c.sql|Add clinical_significance to variation_feature table');
  