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  1. Tajo (Retired)
  2. TAJO-835 (Umbrella) Index support
  3. TAJO-838

Improve query planner to utilize index

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Planner/Optimizer
    • Labels:
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      Description

      Index can improve the query performance when the selectivity of query is high.
      Thus, query planner should decide whether index is used or not for a given query.
      The selectivity can be guessed using statistics.

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            • Assignee:
              jihoonson Jihoon Son
              Reporter:
              jihoonson Jihoon Son
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              • Created:
                Updated:
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