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  1. IMPALA
  2. IMPALA-9635

Rewrite count(distinct) to use ds_hll_* functions when in BI mode

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: None
    • Fix Version/s: Not Applicable
    • Component/s: Frontend
    • Labels:
      None

      Description

      This effort is dependent on a major FE work that is going on currently. The task here is to verify that:
      1) There is a switch to turn on BI mode
      2) In BI mode count(distinct) queries are rewritten to ds_hll_* approx functions

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            • Assignee:
              Unassigned
              Reporter:
              gaborkaszab Gabor Kaszab

              Dates

              • Created:
                Updated:
                Resolved:

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