text: 'use strict';
  
  exports.name = 'add xNumberDigits to cpv';
  
  exports.up = (db) => (
    db.class.get('CPV')
      .then((CPV) =>
        CPV.property.create([
          {
            name: 'xNumberDigits',
            type: 'Integer',
          },
        ]))
  );
  
  exports.down = (db) => (
    db.class.get('CPV')
      .then((CPV) => CPV.property.drop('xNumberDigits'))
  );
  