[jira] [Created] (SPARK-3582) Spark SQL hving issue with existing Hive UDFs which take Map as a parameter

["Saurabh Santhosh (JIRA)" <ji...@apache.org>]

Saurabh Santhosh created SPARK-3582:
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             Summary: Spark SQL hving issue with existing Hive UDFs which take Map as a parameter
                 Key: SPARK-3582
                 URL: https://issues.apache.org/jira/browse/SPARK-3582
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.1.0
            Reporter: Saurabh Santhosh


I have a UDF with the following evaluate method :
public Text evaluate(Text argument, Map<Text, Text> params)

And when i tried invoking this UDF, i was getting the following error.

scala.MatchError: interface java.util.Map (of class java.lang.Class)
at org.apache.spark.sql.hive.HiveInspectors$class.javaClassToDataType(HiveInspectors.scala:35)
at org.apache.spark.sql.hive.HiveFunctionRegistry.javaClassToDataType(hiveUdfs.scala:37)

had a look at HiveInspectors.scala and was not able to see any resolver for java.util.Map 



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