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https://issues.apache.org/jira/browse/SPARK-23893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429391#comment-16429391
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Apache Spark commented on SPARK-23893:
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User 'kiszk' has created a pull request for this issue:
https://github.com/apache/spark/pull/21002
> Possible overflow in long = int * int
> -------------------------------------
>
> Key: SPARK-23893
> URL: https://issues.apache.org/jira/browse/SPARK-23893
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, SQL
> Affects Versions: 2.3.0
> Reporter: Kazuaki Ishizaki
> Priority: Minor
>
> To perform `int * int` and then to cast to `long` may cause overflow if the
> MSB of the multiplication result is `1`. In other words, the result would be
> negative due to sign extension.
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