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  1. Kylin
  2. KYLIN-1478

TopN measure should support non-dictionary encoding for ultra high cardinality

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: v1.5.0
    • Fix Version/s: v1.5.3
    • Component/s: None
    • Labels:
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      Description

      TopN measure uses dictionary to encode the literal column, that may not work when the cardinality is ultra high. Need support other encoding like fixedLength.

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              • Assignee:
                Shaofengshi Shaofeng SHI
                Reporter:
                Shaofengshi Shaofeng SHI
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                  Updated:
                  Resolved: