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  1. Kylin
  2. KYLIN-2497

Optimize the performance of SelfDefineSortableKey

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: v2.0.0
    • Fix Version/s: v2.0.0
    • Component/s: None
    • Labels:
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      Description

      In KYLIN-1851, we introduce a new sorting key "SelfDefineSortableKey" in kylin because the new dictionary needs ordered input value. But recently we found that when users apply dictionary encoding to a double type column, the sorting procedure of SelfDefineSortableKey is very slow. So some optimization need to be made to fix that.

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            • Assignee:
              xiefan46 XIE FAN
              Reporter:
              xiefan46 XIE FAN
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              • Created:
                Updated:
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