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  1. Apache Arrow
  2. ARROW-1175 [Java] Implement/test dictionary-encoded subfields
  3. ARROW-6078

[Java] Implement dictionary-encoded subfields for List type

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Details

    • Sub-task
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • 0.15.0
    • Java

    Description

      For example, int type List (valueCount = 5) has data like below:

      10, 20

      10, 20

      30, 40, 50

      30, 40, 50

      10, 20

      could be encoded to:

      0, 1

      0, 1

      2, 3, 4

      2, 3, 4

      0, 1

      with list type dictionary

      10, 20, 30, 40, 50

      or

      10,

      20,

      30,

      40,

      50

       

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              tianchen92 Ji Liu
              tianchen92 Ji Liu
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                Updated:
                Resolved:

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