[jira] [Created] (SPARK-14642) import org.apache.spark.sql.expressions._ breaks udf under functions

["Yin Huai (JIRA)" <ji...@apache.org>]

Yin Huai created SPARK-14642:
--------------------------------

             Summary: 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
            Priority: Critical


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("-SNAPSHOT"))
{code}



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