如何在mongoid中更新一个属性

Question

如何仅更新：share_count，也许应该使用var stockEvaluation = (from ib in mapicsSession.Query<ItemBalance>() orderby w.Description group ib by w.Description into g select new { g.Key, }).Except(sysproWarehouses); 来完成？ 我在rails和mongoid上使用ruby

upsert

Answer 1

count = SocialShares.total url, %w(sharedcount)
update_attributes share_count: count