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https://issues.apache.org/jira/browse/HIVE-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889809#comment-13889809
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Sergey Shelukhin commented on HIVE-6349:
----------------------------------------
Linking the previous jira.
HIVE-5817.00-broken.patch is an unfinished (close-to-finished iirc) patch there
that makes the columns in the map be by operator, w/"lineage" tracked so that
they can also be retrieved depending on operator.
> Column name map is broken
> --------------------------
>
> Key: HIVE-6349
> URL: https://issues.apache.org/jira/browse/HIVE-6349
> Project: Hive
> Issue Type: Sub-task
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
>
> Following query results in exception at run time in vector mode.
> {code}
> 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;
> {code}
> Here n_name is a string and all other fields are int.
> The stack trace:
> {code}
> 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
> {code}
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