[jira] [Resolved] (SPARK-8797) Sorting float/double column containing NaNs can lead to "Comparison method violates its general contract!" errors

["Josh Rosen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Rosen resolved SPARK-8797.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

Issue resolved by pull request 7194
[https://github.com/apache/spark/pull/7194]

> Sorting float/double column containing NaNs can lead to "Comparison method violates its general contract!" errors
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-8797
>                 URL: https://issues.apache.org/jira/browse/SPARK-8797
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 1.3.0, 1.4.0, 1.5.0
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>            Priority: Critical
>             Fix For: 1.5.0
>
>
> When sorting a float or double column that contains NaN (not a number) values, TimSort may throw a ""Comparison method violates its general contract!" error.



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