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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/07/19 05:33:04 UTC

[jira] [Commented] (SPARK-9147) UnsafeRow should canonicalize NaN values

    [ https://issues.apache.org/jira/browse/SPARK-9147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14632684#comment-14632684 ] 

Apache Spark commented on SPARK-9147:
-------------------------------------

User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/7194

> UnsafeRow should canonicalize NaN values
> ----------------------------------------
>
>                 Key: SPARK-9147
>                 URL: https://issues.apache.org/jira/browse/SPARK-9147
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>
> NaN has many different representations in raw bytes.
> When we set a double/float value, we should check whether it is NaN, and a binary representation that is canonicalized, so we can do comparison on bytes directly.



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