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From "Dongjoon Hyun (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-32764) compare of -0.0 < 0.0 return true
Date Wed, 02 Sep 2020 21:32:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-32764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189720#comment-17189720
] 

Dongjoon Hyun commented on SPARK-32764:
---------------------------------------

cc [~cloud_fan] and [~smilegator]

> compare of -0.0 < 0.0 return true
> ---------------------------------
>
>                 Key: SPARK-32764
>                 URL: https://issues.apache.org/jira/browse/SPARK-32764
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0, 3.0.1
>            Reporter: Izek Greenfield
>            Priority: Major
>              Labels: correctness
>
> {code:scala}
>  val spark: SparkSession = SparkSession
>       .builder()
>       .master("local")
>       .appName("SparkByExamples.com")
>       .getOrCreate()
>     spark.sparkContext.setLogLevel("ERROR")
>     import spark.sqlContext.implicits._
>     val df = Seq((-0.0, 0.0)).toDF("neg", "pos")
>       .withColumn("comp", col("neg") < col("pos"))
>       df.show(false)
> ======
> +----+---+----+
> |neg |pos|comp|
> +----+---+----+
> |-0.0|0.0|true|
> +----+---+----+{code}
> I think that result should be false.



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