Thank you...
On Mon, Mar 9, 2015 at 2:23 AM, r7raul1...@163.com
wrote:
> read this article
> http://www.philippeadjiman.com/blog/2009/12/20/hadoop-tutorial-series-issue-2-getting-started-with-customized-partitioning/
>
>
> then read
> https://cwiki.apache.org/confluence/display/Hive/LanguageManu
read this article
http://www.philippeadjiman.com/blog/2009/12/20/hadoop-tutorial-series-issue-2-getting-started-with-customized-partitioning/
then read
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+SortBy
r7raul1...@163.com
From: max scalf
Date: 2015-03-08 07:02
To: HD
sort by query produces multiple independent files.
order by - just one file
usually sort by is used with distributed by.
In older hive versions (0.7) they might be used to implement local sort
within partition
similar to RANK() OVER (PARTITION BY A ORDER BY B)
On Sat, Mar 7, 2015 at 3:02 PM, ma
