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https://issues.apache.org/jira/browse/HIVE-28313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HIVE-28313:
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Labels: pull-request-available (was: )
> Support ambiguous column references when CBO fallback is disabled
> -----------------------------------------------------------------
>
> Key: HIVE-28313
> URL: https://issues.apache.org/jira/browse/HIVE-28313
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Soumyakanti Das
> Assignee: Soumyakanti Das
> Priority: Major
> Labels: pull-request-available
>
> h3. Ambiguous column references test failures
> fname=ambiguous_col.q
> {code:sql}
> explain select * from (select a.key, a.* from (select * from src) a join
> (select * from src1) b on (a.key = b.key)) t
> {code}
> {noformat}
> org.apache.hadoop.hive.ql.optimizer.calcite.CalciteSemanticException: Cannot
> add column to RR: a.key => _col1: string due to duplication, see previous
> warnings
> {noformat}
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