摘要: val n=sqlContext.sql("select count(distinct m.No) from m join l on m.No=l.No where l.date >= '2016-04-25' and l.date<='2016-05-01' ") n.repartition(1) 阅读全文
posted @ 2016-05-06 10:42 残阳飞雪 阅读(605) 评论(0) 推荐(0)