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https://issues.apache.org/jira/browse/HIVE-23997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihua Deng reassigned HIVE-23997:
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> 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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