[HIVE-6349] Column name map is broken

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Assignee: Jitendra Nath Pandey
• Reporter: Jitendra Nath Pandey
• Created: 01/Feb/14 02:19
• Updated: 25/Mar/14 19:41
• Resolved: 25/Mar/14 19:41

Description

Following query results in exception at run time in vector mode.

explain select n_name from supplier_orc s join ( select n_name, n_nationkey from nation_orc n join region_orc r on n.n_regionkey = r.r_regionkey and r.r_name = 'XYZ') n1 on s.s_nationkey = n1.n_nationkey;

Here n_name is a string and all other fields are int.

The stack trace:

java.lang.RuntimeException: Hive Runtime Error while closing operators
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:260)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:57)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:365)
	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
	at org.apache.hadoop.mapred.Child.main(Child.java:249)
Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector cannot be cast to org.apache.hadoop.hive.ql.exec.vector.LongColumnVector
	at org.apache.hadoop.hive.ql.exec.vector.VectorHashKeyWrapperBatch.evaluateBatch(VectorHashKeyWrapperBatch.java:116)
	at org.apache.hadoop.hive.ql.exec.vector.VectorMapJoinOperator.processOp(VectorMapJoinOperator.java:280)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:790)
	at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.processOp(VectorSelectOperator.java:133)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:790)
	at org.apache.hadoop.hive.ql.exec.vector.VectorMapJoinOperator.flushOutput(VectorMapJoinOperator.java:246)
	at org.apache.hadoop.hive.ql.exec.vector.VectorMapJoinOperator.closeOp(VectorMapJoinOperator.java:253)
	at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:574)
	at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:585)
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:234)
	... 8 more

Issue Links

• is related to: HIVE-5817 column name to index mapping in VectorizationContext is broken