hive gropingsets,
SELECT A, B, C, D, sum(D) FROM T GROUP BY A,B,C,D GROUPING SETS ((A,B,C,D),(A,B,D))
等价于
SELECT A, B, C, D, sum(D) FROM T GROUP BY A,B,C,D
UNION ALL
SELECT A, B, D, sum(D) FROM T GROUP BY A,B,D
http://www.htsjk.com/hive/41439.html
www.htsjk.Com
true
http://www.htsjk.com/hive/41439.html
NewsArticle
hive gropingsets, SELECT A, B, C, D, sum(D) FROM T GROUP BY A,B,C,D GROUPING SETS ((A,B,C,D),(A,B,D)) 等价于 SELECT A, B, C, D, sum(D) FROM T GROUP BY A,B,C,D UNION ALL SELECT A, B, D, sum(D) FROM T GROUP BY A,B,D...
本站文章为和通数据库网友分享或者投稿,欢迎任何形式的转载,但请务必注明出处.
同时文章内容如有侵犯了您的权益,请联系QQ:970679559,我们会在尽快处理。