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Type:
Task
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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None
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Query Optimization
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Fully Compatible
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QO 2025-02-03
We need to make sure we don't accidently estimate cardinality for scans over structures we don't support yet: hashed indexes, sparse indexes, non-b-tree, clustered scans, collation etc.
- is duplicated by
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SERVER-99092 CE: Estimate is zero in cases where the index key is a tranformation of the original value
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- Closed
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- is related to
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SERVER-100989 CBR may invariant on collection with collation with histogramCE enabled
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- Needs Scheduling
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- related to
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SERVER-99092 CE: Estimate is zero in cases where the index key is a tranformation of the original value
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- Closed
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SERVER-99690 CardinalityEstimator segfault when invoked over clustered collections
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- Closed
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SERVER-99278 Estimate the cardinality of TextMatchNode QSNs
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- Closed
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