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https://issues.apache.org/jira/browse/SPARK-14642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244896#comment-15244896
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Subhobrata Dey commented on SPARK-14642:
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Hello [~yhuai], I see that the issue gets resolved when the package
{code:java}
org.apache.spark.sql.expressions.scala
{code}
does not exist & the file
{code:java}
typed.scala
{code}
is put directly under the package
{code:java}
org.apache.spark.sql.expressions
{code}
in spark-sql_<scala.binary.version>.jar
Can I submit a PR for this?
> 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("-abc"))
> {code}
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