with MiPriceTopOne as (
select classid,max(dataTime) dataTime,max(id) as id from MiPrice group by classid
)
select * from MiPrice where id in (select id from MiPriceTopOne)
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with MiPriceTopOne as (
select classid,max(dataTime) dataTime,max(id) as id from MiPrice group by classid
)
select * from MiPrice where id in (select id from MiPriceTopOne)
相关文章：