anchor.diff:    `sample_id` varchar(255) NOT NULL,
     `type` varchar(128) NOT NULL,
     PRIMARY KEY (`sample_id`,`type`),
  +  CONSTRAINT `FK_SAMPLE_MATERIAL_sample_id` FOREIGN KEY (`sample_id`) REFERENCES `SAMPLES` (`id`),
     CONSTRAINT `SAMPLE_MATERIAL_ibfk_1` FOREIGN KEY (`sample_id`) REFERENCES `SAMPLES` (`id`)
   ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
   /*!40101 SET character_set_client = @saved_cs_client */;
  
positive.code:   `collection_id` varchar(255) NOT NULL,
    `type` varchar(128) NOT NULL,
    PRIMARY KEY (`collection_id`,`type`),
    CONSTRAINT `SAMPLECOLLECTION_TYPE_ibfk_1` FOREIGN KEY (`collection_id`) REFERENCES `SAMPLECOLLECTIONS` (`id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
  /*!40101 SET character_set_client = @saved_cs_client */;
  
negative.code:   KEY `pid` (`pid`),
    KEY `pid_2` (`pid`,`isDir`),
    KEY `name` (`name`),
    CONSTRAINT `FK_Inodes_pid` FOREIGN KEY (`pid`) REFERENCES `Inodes` (`id`),
    CONSTRAINT `Inodes_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `Inodes` (`id`) ON DELETE CASCADE
  ) ENGINE=InnoDB AUTO_INCREMENT=543 DEFAULT CHARSET=latin1;
  /*!40101 SET character_set_client = @saved_cs_client */;
  
  --
  