text: -- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  -- ALWAYS BACKUP YOUR DATA BEFORE EXECUTING THIS SCRIPT
  -- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  
  # This script upgrade DB schema from version 5 to version 6
  
  ALTER TABLE environs ADD COLUMN ensure_trusted_build TINYINT(1) NOT NULL DEFAULT 0;
  
  -- make sure to update the schema version to 6
  UPDATE schema_versions SET version=6;