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Type:
Task
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Resolution: Unresolved
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: None
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Query Optimization
Another solution to the "double counting" problem described in SERVER-98576 could be to sampling Fetch -> Index Scan plan fragments using the Sampling estimators estimateRIDs functionally which takes both index bounds and an optional filter.
- is related to
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SERVER-100524 Avoid redundant child estimation of no-filter FetchNode
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- Needs Scheduling
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- related to
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SERVER-97864 Support sampling of IndexBounds to estimate cardinality of IndexScanNode
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- Closed
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SERVER-98576 Identify residual predicates which reapply index bounds and ignore them during cardinality estimation
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- Needs Scheduling
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