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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 03:59:14 UTC
[jira] [Updated] (SPARK-19225) Spark SQL round constant double
return null
[ https://issues.apache.org/jira/browse/SPARK-19225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-19225:
---------------------------------
Labels: bulk-closed (was: )
> Spark SQL round constant double return null
> --------------------------------------------
>
> Key: SPARK-19225
> URL: https://issues.apache.org/jira/browse/SPARK-19225
> Project: Spark
> Issue Type: Bug
> Affects Versions: 2.0.0, 2.0.1, 2.0.2, 2.1.0
> Reporter: discipleforteen
> Priority: Major
> Labels: bulk-closed
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> Spark SQL round constant double value may return null . like 'select round(4.4, 2)' return null in spark 2.x. it's not compatible with spark 1.x version. it seems 4.4 is casted to decimal with new SqlBase.g4 , which is casted to double in spark 1.x version. round decimal 4.4, 2 get null in changeprecision...
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