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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8474) Vectorized reads of transactional tables fail when not all columns are selected
Date Tue, 21 Oct 2014 13:33:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14178390#comment-14178390
] 

Matt McCline commented on HIVE-8474:
------------------------------------

[~alangates] it looks great!  Thanks for refactoring the changes.

(non-binding) +1



> Vectorized reads of transactional tables fail when not all columns are selected
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-8474
>                 URL: https://issues.apache.org/jira/browse/HIVE-8474
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions, Vectorization
>    Affects Versions: 0.14.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>            Priority: Critical
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8474.2.patch, HIVE-8474.patch
>
>
> {code}
> create table concur_orc_tab(name varchar(50), age int, gpa decimal(3, 2)) clustered by
(age) into 2 buckets stored as orc TBLPROPERTIES ('transactional'='true');
> select name, age from concur_orc_tab order by name;
> {code}
> results in
> {code}
> Diagnostic Messages for this Task:
> Error: java.io.IOException: java.lang.NullPointerException
>         at org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderNextException(HiveIOExceptionHandlerChain.java:121)
>         at org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderNextException(HiveIOExceptionHandlerUtil.java:77)
>         at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:352)
>         at org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:79)
>         at org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:33)
>         at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:115)
>         at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:199)
>         at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:185)
>         at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:52)
>         at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:450)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
>         at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
>         at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.hive.ql.exec.vector.VectorizedBatchUtil.setNullColIsNullValue(VectorizedBatchUtil.java:63)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorizedBatchUtil.addRowToBatchFrom(VectorizedBatchUtil.java:443)
>         at org.apache.hadoop.hive.ql.exec.vector.VectorizedBatchUtil.addRowToBatch(VectorizedBatchUtil.java:214)
>         at org.apache.hadoop.hive.ql.io.orc.VectorizedOrcAcidRowReader.next(VectorizedOrcAcidRowReader.java:95)
>         at org.apache.hadoop.hive.ql.io.orc.VectorizedOrcAcidRowReader.next(VectorizedOrcAcidRowReader.java:43)
>         at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:347)
>         ... 13 more
> {code}
> The issue is that the object inspector passed to VectorizedOrcAcidRowReader has all of
the columns in the file rather than only the projected columns.



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