[HIVE-4491] Grouping by a struct throws an exception

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.12.0
• Assignee: Mark Wagner
• Reporter: Mark Wagner
• Created: 03/May/13 18:46
• Updated: 03/May/13 18:51
• Resolved: 03/May/13 18:51

Description

Queries that require a shuffle with a struct as the key result in an exception:

Caused by: java.lang.RuntimeException: Hash code on complex types not supported yet.
	at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.hashCode(ObjectInspectorUtils.java:528)
	at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.processOp(ReduceSinkOperator.java:226)
	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:531)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:859)
	at org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:1066)
	at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1118)
	... 13 more

Issue Links

• duplicates: HIVE-2517 Support group by on struct type