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Posted to issues@spark.apache.org by "Mick Jermsurawong (JIRA)" <ji...@apache.org> on 2019/07/01 23:54:00 UTC
[jira] [Commented] (SPARK-28224) Sum aggregation returns null on
overflow decimals
[ https://issues.apache.org/jira/browse/SPARK-28224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16876565#comment-16876565 ]
Mick Jermsurawong commented on SPARK-28224:
-------------------------------------------
To reproduce this: [https://github.com/apache/spark/commit/131679c1a6e08be96245a56830fea2416bedf285]
> Sum aggregation returns null on overflow decimals
> -------------------------------------------------
>
> Key: SPARK-28224
> URL: https://issues.apache.org/jira/browse/SPARK-28224
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Mick Jermsurawong
> Priority: Major
>
> Given the option to throw exception on overflow on, sum aggregation of overflowing bigdecimal still remain null. {{DecimalAggregates}} is only invoked when expression of the sum (not the elements to be operated) has sufficiently small precision. The fix seems to be in Sum expression itself.
>
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