Compute cardinality estimates for statistics computed with sampling

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 6.3.0-rc0
    • Affects Version/s: None
    • Component/s: None
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    • Query Optimization
    • Fully Compatible
    • QO 2023-02-06
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    • 3
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      CE should use the sample rate to multiply the final estimate. Let's say if sample rate 0.5. then we should multiply each estimate by 2.

      All per-type counters have to be scaled as well, not just the histogram-based estimates.

              Assignee:
              Alya Berciu
              Reporter:
              Misha Tyulenev (Inactive)
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                Created:
                Updated:
                Resolved: