text: exports.up = function(knex, Promise) {
      return knex.schema.table('geeklists', function(t) {
          t.integer('thumbs');
          t.integer('numitems');
          t.string('username');
      });
  };
  
  exports.down = function(knex, Promise) {
      return knex.schema.table('geeklists', function(t) {
          t.dropColumn('thumbs');
          t.dropColumn('numitems');
          t.dropColumn('username');
      });
  };
  