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  1. Hive
  2. HIVE-3642

Hive List Bucketing - optimize transform()

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    • New Feature
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • None
    • None
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    Description

      In list bucketing transform(), we create pruning tree for each partition.

      Although it is possible that different partitions have different skewed keys, chances are that there will be a lot of overlap.

      It would be a good idea to optimize that case.

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              gangtimliu Gang Tim Liu
              gangtimliu Gang Tim Liu
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                Created:
                Updated: