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[SPARK-21396][SQL] Fixes MatchError when UDTs are passed through Hive Thriftserver #20385

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[SPARK-21396][SQL] Fixes MatchError when UDTs are passed through Hive Thriftserver #20385

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c8fb436
Fixes MatchError when UDTs are passed through Hive Thriftserver
atallahhezbor Jan 24, 2018
e05041f
Moves UDT handling to HiveUtils. Adds unit test
atallahhezbor Jan 31, 2018
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2 changes: 2 additions & 0 deletions ...rc/main/scala/org/apache/spark/sql/hive/thriftserver/SparkExecuteStatementOperation.scala
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Expand Up @@ -102,6 +102,8 @@ private[hive] class SparkExecuteStatementOperation(
to += from.getAs[Timestamp](ordinal)
case BinaryType =>
to += from.getAs[Array[Byte]](ordinal)
case udt: UserDefinedType[_] =>
to += from.get(ordinal).toString

@liufengdb liufengdb Jan 24, 2018 •
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It is possible from.get(ordinal) returns null, then a null pointer exception. I think a better way to add this case is by the method HiveUtils.toHiveString, which can potentially be reused and tested.

case _: ArrayType | _: StructType | _: MapType =>
val hiveString = HiveUtils.toHiveString((from.get(ordinal), dataTypes(ordinal)))
to += hiveString
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