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https://issues.apache.org/jira/browse/HIVE-16761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-16761:
------------------------------------
Attachment: HIVE-16761.03.patch
This patch also does some other clean up and fixes the paths where IO elevator
would start processing and then decide the split is not compatible, so the
reader would be running and noone would read the results.
> LLAP IO: SMB joins fail elevator
> ---------------------------------
>
> Key: HIVE-16761
> URL: https://issues.apache.org/jira/browse/HIVE-16761
> Project: Hive
> Issue Type: Bug
> Reporter: Gopal V
> Assignee: Sergey Shelukhin
> Attachments: HIVE-16761.01.patch, HIVE-16761.02.patch,
> HIVE-16761.03.patch, HIVE-16761.patch
>
>
> {code}
> Caused by: java.io.IOException: java.lang.ClassCastException:
> org.apache.hadoop.hive.ql.exec.vector.LongColumnVector cannot be cast to
> org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector
> at
> org.apache.hadoop.hive.ql.io.BatchToRowReader.next(BatchToRowReader.java:153)
> at
> org.apache.hadoop.hive.ql.io.BatchToRowReader.next(BatchToRowReader.java:78)
> at
> org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:360)
> ... 26 more
> Caused by: java.lang.ClassCastException:
> org.apache.hadoop.hive.ql.exec.vector.LongColumnVector cannot be cast to
> org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector
> at
> org.apache.hadoop.hive.ql.io.BatchToRowReader.nextString(BatchToRowReader.java:334)
> at
> org.apache.hadoop.hive.ql.io.BatchToRowReader.nextValue(BatchToRowReader.java:602)
> at
> org.apache.hadoop.hive.ql.io.BatchToRowReader.next(BatchToRowReader.java:149)
> ... 28 more
> {code}
> {code}
> set hive.enforce.sortmergebucketmapjoin=false;
> set hive.optimize.bucketmapjoin=true;
> set hive.optimize.bucketmapjoin.sortedmerge=true;
> set hive.auto.convert.sortmerge.join=true;
> set hive.auto.convert.join=true;
> set hive.auto.convert.join.noconditionaltask.size=500;
> select year,quarter,count(*) from transactions_raw_orc_200 a join
> customer_accounts_orc_200 b on a.account_id=b.account_id group by
> year,quarter;
> {code}
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