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https://issues.apache.org/jira/browse/SPARK-16301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yin Huai resolved SPARK-16301.
------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
> Analyzer rule for resolving using joins should respect case sensitivity
> setting
> -------------------------------------------------------------------------------
>
> Key: SPARK-16301
> URL: https://issues.apache.org/jira/browse/SPARK-16301
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
> Assignee: Yin Huai
> Priority: Critical
> Fix For: 2.0.0
>
>
> Quick repro: Passes on Spark 1.6.x, but fails on 2.0
> {code}
> case class MyColumn(userId: Int, field: String)
> val ds = Seq(MyColumn(1, "a")).toDF
> ds.join(ds, Seq("userid"))
> {code}
> {code}
> stacktrace:
> java.util.NoSuchElementException: None.get
> at scala.None$.get(Option.scala:313)
> at scala.None$.get(Option.scala:311)
> at
> org.apache.spark.sql.catalyst.analysis.Analyzer$$anonfun$88.apply(Analyzer.scala:1844)
> at
> org.apache.spark.sql.catalyst.analysis.Analyzer$$anonfun$88.apply(Analyzer.scala:1844)
> {code}
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