[jira] [Created] (SPARK-17773) HiveInspector wrapper for JavaVoidObjectInspector is missing

["Ergin Seyfe (JIRA)" <ji...@apache.org>]

Ergin Seyfe created SPARK-17773:
-----------------------------------

             Summary: HiveInspector wrapper for JavaVoidObjectInspector is missing 
                 Key: SPARK-17773
                 URL: https://issues.apache.org/jira/browse/SPARK-17773
             Project: Spark
          Issue Type: Bug
          Components: Input/Output
    Affects Versions: 2.0.0
            Reporter: Ergin Seyfe
            Priority: Minor


Executing following query fails.

select SOME_UDAF*(a.arr) 
from (
  select Array(null) as arr from dim_one_row
) a

SOME_UDAF= It's an UDAF which is similar to FIRST(), but skips the null values if it can and adds randomization.

Error message:
scala.MatchError: org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaVoidObjectInspector@39055e0d (of class org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaVoidObjectInspector)
  at org.apache.spark.sql.hive.HiveInspectors$class.wrapperFor(HiveInspectors.scala:257)
  at org.apache.spark.sql.hive.HiveUDAFFunction.wrapperFor(hiveUDFs.scala:269)
  at org.apache.spark.sql.hive.HiveInspectors$class.wrap(HiveInspectors.scala:719)



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