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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-22036) BigDecimal multiplication sometimes returns null
Date Sat, 03 Feb 2018 11:25:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-22036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351366#comment-16351366
] 

Apache Spark commented on SPARK-22036:
--------------------------------------

User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/20498

> BigDecimal multiplication sometimes returns null
> ------------------------------------------------
>
>                 Key: SPARK-22036
>                 URL: https://issues.apache.org/jira/browse/SPARK-22036
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Olivier Blanvillain
>            Assignee: Marco Gaido
>            Priority: Major
>             Fix For: 2.3.0
>
>
> The multiplication of two BigDecimal numbers sometimes returns null. Here is a minimal
reproduction:
> {code:java}
> object Main extends App {
>   import org.apache.spark.{SparkConf, SparkContext}
>   import org.apache.spark.sql.SparkSession
>   import spark.implicits._
>   val conf = new SparkConf().setMaster("local[*]").setAppName("REPL").set("spark.ui.enabled",
"false")
>   val spark = SparkSession.builder().config(conf).appName("REPL").getOrCreate()
>   implicit val sqlContext = spark.sqlContext
>   case class X2(a: BigDecimal, b: BigDecimal)
>   val ds = sqlContext.createDataset(List(X2(BigDecimal(-0.1267333984375), BigDecimal(-1000.1))))
>   val result = ds.select(ds("a") * ds("b")).collect.head
>   println(result) // [null]
> }
> {code}



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