GitHub user discipleforteen opened a pull request:
https://github.com/apache/spark/pull/16637
[SPARK-19225][SQL]round decimal return normal value but not null
## What changes were proposed in this pull request?
in https://issues.apache.org/jira/browse/SPARK-19225,
change the round decimal function. select round(4.4, 2) can return 4.4 ,
not return null when round scale is larger than decimal scale
## How was this patch tested?
Jeckins
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/discipleforteen/spark master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16637.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #16637
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commit 800db2d592e85fb3b7ba7c1994314fac0e5de206
Author: discipleforteen <32666...@qq.com>
Date: 2017-01-19T01:24:59Z
cut round (decimal, scale)
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