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From "Wenchen Fan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-18053) ARRAY equality is broken in Spark 2.0
Date Sun, 23 Oct 2016 03:48:58 GMT

    [ https://issues.apache.org/jira/browse/SPARK-18053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15598986#comment-15598986
] 

Wenchen Fan commented on SPARK-18053:
-------------------------------------

[~lian cheng] are you sure this issue exists in 2.0? The new array format is only merged into
master branch(2.1)

> ARRAY equality is broken in Spark 2.0
> -------------------------------------
>
>                 Key: SPARK-18053
>                 URL: https://issues.apache.org/jira/browse/SPARK-18053
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.0, 2.0.1
>            Reporter: Cheng Lian
>            Assignee: Wenchen Fan
>              Labels: correctness
>
> The following Spark shell reproduces this issue:
> {code}
> case class Test(a: Seq[Int])
> Seq(Test(Seq(1))).toDF().createOrReplaceTempView("t")
> sql("SELECT a FROM t WHERE a = array(1)").show()
> // +---+
> // |  a|
> // +---+
> // +---+
> sql("SELECT a FROM (SELECT array(1) AS a) x WHERE x.a = array(1)").show()
> // +---+
> // |  a|
> // +---+
> // |[1]|
> // +---+
> {code}



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