XiDuo You created SPARK-39710:
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Summary: Support push topK through outer join
Key: SPARK-39710
URL: https://issues.apache.org/jira/browse/SPARK-39710
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.4.0
Environment: Supports push down local limit and local sort from TopK
through other join:
- for a left outer join, the references of ordering of TopK come from the
left side and
the limits of TopK is smaller than left side max rows
- for a right outer join, the references of ordering of TopK come from the
right side and
the limits of TopK is smaller than right side max rows
Reporter: XiDuo You
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