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https://issues.apache.org/jira/browse/HIVE-11937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pengcheng Xiong updated HIVE-11937:
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Fix Version/s: 2.0.0
> Improve StatsOptimizer to deal with query with additional constant columns
> --------------------------------------------------------------------------
>
> Key: HIVE-11937
> URL: https://issues.apache.org/jira/browse/HIVE-11937
> Project: Hive
> Issue Type: Improvement
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Fix For: 2.0.0
>
> Attachments: HIVE-11937.01.patch, HIVE-11937.02.patch
>
>
> Right now StatsOptimizer can deal with query such as "select count(1) from
> src" by directly looking into the metastore. However, it can not deal with
> "select '1' as one, count(1) from src" which has an additional constant
> column. We may improve it.
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