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[SPARK-39172][SQL] Remove left/right outer join if only left/right side columns are selected and the join keys on the other side are unique #36530

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[SPARK-39172][SQL] Remove left/right outer join if only left/right side columns are selected and the join keys on the other side are unique #36530

wants to merge 4 commits into from

Commits on May 13, 2022

  1. Remove outer join if all output come from streamed side and buffered … 

    …side keys exist unique key
    @ulysses-you
    ulysses-you committed May 13, 2022
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Commits on May 16, 2022

  1. address coment

    @ulysses-you
    ulysses-you committed May 16, 2022
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  2. address comments

    @ulysses-you
    ulysses-you committed May 16, 2022
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  3. address comments

    @ulysses-you
    ulysses-you committed May 16, 2022
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