Mysql Rails查询的顺序取决于列
我在MySQL中有这个查询Mysql Rails查询的顺序取决于列,mysql,ruby-on-rails,activerecord,Mysql,Ruby On Rails,Activerecord,我在MySQL中有这个查询 SELECT * FROM dbo.Employee ORDER BY CASE WHEN is_outsourcing = 'true' THEN Country END Desc, CASE WHEN is_outsourcing = 'false' THEN joined_date END ASC 我试着做一个rails查询,这样所有的is_外包员工都会先下单,他们的订单由他们的国家决定。其余员工按加入日期订购 目前,我通过is_Outsouting fir
SELECT * FROM dbo.Employee
ORDER BY
CASE WHEN is_outsourcing = 'true' THEN Country END Desc,
CASE WHEN is_outsourcing = 'false' THEN joined_date END ASC
我试着做一个rails查询,这样所有的is_外包员工都会先下单,他们的订单由他们的国家决定。其余员工按加入日期订购
目前,我通过is_Outsouting first获得了此查询:
User.all.order(is_outsourcing DESC)
但我不知道怎么做后面的部分。有人能帮我吗?您可以简单地将
按逻辑排序作为字符串:
User.all.
order("CASE WHEN is_outsourcing = 'true' THEN Country END Desc,
CASE WHEN is_outsourcing = 'false' THEN joined_date END ASC")