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https://issues.apache.org/jira/browse/HIVE-19073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez reassigned HIVE-19073:
----------------------------------------------
> StatsOptimizer may mangle constant columns
> ------------------------------------------
>
> Key: HIVE-19073
> URL: https://issues.apache.org/jira/browse/HIVE-19073
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 1.2.2
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
>
> Following query is giving wrong result:
> {code:sql}
> SELECT DATE_SUB(CURRENT_DATE,0) as GROUP_BY_FIELD, count (*) as src_cnt from
> mytable WHERE 1=1 group by DATE_SUB(CURRENT_DATE,0);
> +-----------------+----------+--+
> | group_by_field | src_cnt |
> +-----------------+----------+--+
> | 239 | NULL |
> +-----------------+----------+--+
> 1 row selected (5.175 seconds)
> {code}
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