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Posted to issues@spark.apache.org by "XiDuo You (Jira)" <ji...@apache.org> on 2022/12/13 12:12:00 UTC

[jira] [Created] (SPARK-41511) LongToUnsafeRowMap support ignoresDuplicatedKey

XiDuo You created SPARK-41511:
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             Summary: LongToUnsafeRowMap support ignoresDuplicatedKey
                 Key: SPARK-41511
                 URL: https://issues.apache.org/jira/browse/SPARK-41511
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.4.0
            Reporter: XiDuo You


For left semi and left anti hash join, the duplicated keys of build side have no meaning.

Previous, we supported ingore duplicated keys for UnsafeHashedRelation. We can also optimize LongHashedRelation.



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