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https://issues.apache.org/jira/browse/SPARK-1947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14010945#comment-14010945
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Takuya Ueshin commented on SPARK-1947:
--------------------------------------
PRed: https://github.com/apache/spark/pull/902
> Child of SumDistinct or Average should be widened to prevent overflows the
> same as Sum.
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-1947
> URL: https://issues.apache.org/jira/browse/SPARK-1947
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Takuya Ueshin
>
> Child of {{SumDistinct}} or {{Average}} should be widened to prevent
> overflows the same as {{Sum}}.
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