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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • Impala 2.9.0
    • Impala 4.0.0
    • Frontend
    • None

    Description

      SetOperationStmt should be a new class that will be used to represent UNION DISTINCT and UNION ALL operators. A SetOperationStmt should transformed into a QueryStmt during the analysis rewrite phase (StmtRewriter). The resulting query should capture DISTINCT by an appropriate placement of DISTINCT in the Select list.

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            Unassigned Unassigned
            tarasbob Taras Bobrovytsky
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              Updated:
              Resolved: