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  1. Calcite
  2. CALCITE-1129

Extend JoinUnionTransposeRule to match Union instead of LogicalUnion

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Details

    • Improvement
    • Status: Closed
    • Minor
    • Resolution: Fixed
    • None
    • 1.7.0
    • core
    • None

    Description

      The JoinUnionTransposeRule is fired if one of the operands is a Union, but inside the onMatch() method, the code checks if one of the operands is an instance of LogicalUnion. External implementations would benefit from changing the rule to match Union instead.

      The dev mailing list discussion can be found here.

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            julianhyde Julian Hyde
            vkalavri Vasia Kalavri
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              Updated:
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