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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13333) StatsOptimizer throws ClassCastException
Date Wed, 06 Apr 2016 22:45:25 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-13333:
-----------------------------------
    Description: 
mvn test -Dtest=TestCliDriver -Dtest.output.overwrite=true -Dqfile=cbo_rp_udf_udaf.q -Dhive.compute.query.using.stats=true
repros the issue.

In StatsOptimizer with return path on, we may have aggr($f0), aggr($f1) in GBY
and then select aggr($f1), aggr($f0) in SEL.
Thus we need to use colExp to find out which position is
corresponding to which position.

  was:mvn test -Dtest=TestCliDriver -Dtest.output.overwrite=true -Dqfile=cbo_rp_udf_udaf.q
-Dhive.compute.query.using.stats=true repros the issue.


> StatsOptimizer throws ClassCastException
> ----------------------------------------
>
>                 Key: HIVE-13333
>                 URL: https://issues.apache.org/jira/browse/HIVE-13333
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 2.0.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-13333.01.patch, HIVE-13333.02.patch, HIVE-13333.03.patch
>
>
> mvn test -Dtest=TestCliDriver -Dtest.output.overwrite=true -Dqfile=cbo_rp_udf_udaf.q
-Dhive.compute.query.using.stats=true repros the issue.
> In StatsOptimizer with return path on, we may have aggr($f0), aggr($f1) in GBY
> and then select aggr($f1), aggr($f0) in SEL.
> Thus we need to use colExp to find out which position is
> corresponding to which position.



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