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From "Shixiong Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-14642) import org.apache.spark.sql.expressions._ breaks udf under functions
Date Tue, 10 May 2016 19:36:12 GMT

     [ https://issues.apache.org/jira/browse/SPARK-14642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shixiong Zhu updated SPARK-14642:
---------------------------------
    Assignee: Subhobrata Dey

> import org.apache.spark.sql.expressions._ breaks udf under functions
> --------------------------------------------------------------------
>
>                 Key: SPARK-14642
>                 URL: https://issues.apache.org/jira/browse/SPARK-14642
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Yin Huai
>            Assignee: Subhobrata Dey
>            Priority: Blocker
>             Fix For: 2.0.0
>
>
> The following code works
> {code}
> scala> import org.apache.spark.sql.functions._
> import org.apache.spark.sql.functions._
> scala> udf((v: String) => v.stripSuffix("-abc"))
> res0: org.apache.spark.sql.expressions.UserDefinedFunction = UserDefinedFunction(<function1>,StringType,Some(List(StringType)))
> {code}
> But, the following does not
> {code}
> scala> import org.apache.spark.sql.functions._
> import org.apache.spark.sql.functions._
> scala> import org.apache.spark.sql.expressions._
> import org.apache.spark.sql.expressions._
> scala> udf((v: String) => v.stripSuffix("-abc"))
> <console>:30: error: No TypeTag available for String
>        udf((v: String) => v.stripSuffix("-abc"))
> {code}



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