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Posted to dev@drill.apache.org by "Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org> on 2015/06/15 22:19:01 UTC

[jira] [Created] (DRILL-3296) Group By Union Distinct fails at planning

Sean Hsuan-Yi Chu created DRILL-3296:
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             Summary: Group By Union Distinct fails at planning
                 Key: DRILL-3296
                 URL: https://issues.apache.org/jira/browse/DRILL-3296
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
            Reporter: Sean Hsuan-Yi Chu
            Assignee: Sean Hsuan-Yi Chu


For example,
select n_nationkey from
        (select n_nationkey from cp.`tpch/nation.parquet`
        union select n_nationkey from cp.`tpch/nation.parquet`)
group by n_nationkey

Will fail. Actually, this issue was already resolved in Calcite-675. After picking this commit, this issue will go away.



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