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  1. Teiid
  2. TEIID-4332

Enhance costing to better guess at ndv

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    • Quality Risk
    • Resolution: Done
    • Major
    • 9.1
    • None
    • Query Engine
    • None

    Description

      Our logic for determining ndv is mostly ad hoc and varies greatly depending upon the position in the plan. This needs to be more standardized and based upon consistent assumptions - also additional information such as predicates and foreign keys should influence the calculation.

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          Quality Risk - A potential bug. TEIID-4885 Costing issues

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved

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              rhn-engineering-shawkins Steven Hawkins
              rhn-engineering-shawkins Steven Hawkins
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                Updated:
                Resolved: