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From "Zhihua Deng (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-23997) Some logs in ConstantPropagateProcFactory are not straightforward
Date Wed, 05 Aug 2020 12:15:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhihua Deng reassigned HIVE-23997:
----------------------------------


> Some logs in ConstantPropagateProcFactory are not straightforward
> -----------------------------------------------------------------
>
>                 Key: HIVE-23997
>                 URL: https://issues.apache.org/jira/browse/HIVE-23997
>             Project: Hive
>          Issue Type: Improvement
>          Components: Logical Optimizer
>            Reporter: Zhihua Deng
>            Assignee: Zhihua Deng
>            Priority: Minor
>
> Some logs in ConstantPropagateProcFactory are not easy to understand,  like query:
>  select * from tbl where a = 'a1';
> showing some logs like this:
> optimizer.ConstantPropagateProcFactory: Filter org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPEqual@78907a46
is identified as a value assignment, propagate it.
>  
> Maybe It's better to log like this:
> optimizer.ConstantPropagateProcFactory: Filter (a = 'a1') is identified as a value assignment,
propagate it.



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