当需要按照子查询结果的id顺序 查询 可以用以下查询
子查询:select id from b order by `order` desc
select * from a where id in(select id from b order by `order` desc) order by field (id,子查询id)
当需要按照子查询结果的id顺序 查询 可以用以下查询
子查询:select id from b order by `order` desc
select * from a where id in(select id from b order by `order` desc) order by field (id,子查询id)
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