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所以,让我们直接:我挣扎几天都转换这个SQL语句:转换SQL语句阿雷尔Rails的查询
select * from (
select distinct on (program_id) editions.*, programs.*
from editions inner join programs on editions.program_id = programs.id
where programs.station_id = 1) as editionsprograms
order by fixed desc, published_at desc, time desc
limit 4;
到阿雷尔轨查询。有人有任何想法可以使一个Arel查询具有上述SQL的相同效果吗?
太棒了!我要去试试,谢谢! –