[SPARK-17773] HiveInspector wrapper for JavaVoidObjectInspector is missing

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.1.0
• Component/s: Input/Output
• Assignee: Ergin Seyfe
• Reporter: Ergin Seyfe
• Created: 03/Oct/16 23:59
• Updated: 04/Oct/16 17:12
• Resolved: 04/Oct/16 06:28

Description

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)

Issue Links

• links to: [Github] Pull Request #15337 (seyfe)
• links to: [Github] Pull Request #15345 (seyfe)