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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/09/04 09:06:00 UTC
[jira] [Assigned] (SPARK-32764) compare of -0.0 < 0.0 return true
[ https://issues.apache.org/jira/browse/SPARK-32764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-32764:
------------------------------------
Assignee: (was: Apache Spark)
> 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
> Attachments: 2.4_codegen.txt, 3.0_Codegen.txt
>
>
> {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.
> **Apache Spark 2.4.6 RESULT**
> {code}
> scala> spark.version
> res0: String = 2.4.6
> scala> Seq((-0.0, 0.0)).toDF("neg", "pos").withColumn("comp", col("neg") < col("pos")).show
> +----+---+-----+
> | neg|pos| comp|
> +----+---+-----+
> |-0.0|0.0|false|
> +----+---+-----+
> {code}
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