Is there any way to use ActiveRecord calculations while also acquiring relevant field names? For example, I'd like to find the average age of all people with the various last names. Basically I'd like to use: Is there any way to use ActiveRecord calculatio
阅读背景：
（Rails，ActiveRecord）如何在仍检索字段名称的同时使用ActiveRecord计算？
来源：互联网
分享到：
