anchor.diff:    ((transcript-variation-id :db-type :key :type integer)
      (transcript-id :db-type :key :type integer)
      (variation-feature-id :db-type :key :type integer)
  +   (variation-feature :db-type :join :db-info (:join-class variation-feature
  +					       :foreign-key variation-feature-id
  +					       :home-key variation-feature-id ))
      (cdna-start :db-type :base :type integer)
      (cdna-end :db-type :base :type integer)
      (translation-start :db-type :base :type integer)
  
positive.code:   (:base-table "individual_type")
    (:documentation "Presentation of further information on indivuals genotyped (fully_inbred, partly_inbred, outbread, mutant)."))
  
  #||					 transcript_variation;
  +-------------------------+-------------------------------+------+-----+---------+----------------+
  | transcript_variation_id | int(10) unsigned              |      | PRI | NULL    | auto_increment |
  
negative.code: | validation_status    | set('cluster','freq','submitter','doublehit','hapmap')    | YES  |     | NULL       |                |
  | consequence_type     | set('ESSENTIAL_SPLICE_SITE','STOP_GAINED','STOP_LOST','COMPLEX_INDEL','FRAMESHIFT_CODING','NON_SYNONYMOUS_CODING','SPLICE_SITE','SYNONYMOUS_CODING','REGULATORY_REGION','5PRIME_UTR','3PRIME_UTR','INTRONIC','UPSTREAM','DOWNSTREAM','INTERGENIC') |      |     | INTERGENIC |                |
  | +----------------------+----------------------+------+-----+------------+----------------+
  
  +----------------------+---------------+------------------+----------------+-------------------+--------------+---------------+----------------+------------+-------+-----------+-------------------+-----------------------+
  | variation_feature_id | seq_region_id | seq_region_start | seq_region_end | seq_region_strand | variation_id | allele_string | variation_name | map_weight | flags | source_id | validation_status | consequence_type      |
  +----------------------+---------------+------------------+----------------+-------------------+--------------+---------------+----------------+------------+-------+-----------+-------------------+-----------------------+
  