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Type:
Improvement
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Resolution: Unresolved
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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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Query Optimization
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3
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Ranking-style functions are currently only allowed with single-field sortBy specs, since the implementation re-uses existing accumulator machinery under the hood which operates over single values at a time.
One potential workaround is to prepend an $addFields stage that places the compound set of fields into their own sub-object, then applying the window function rank on that new object.
- is depended on by
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SERVER-8065 Add a way to determine a document's rank after a $sort
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- Closed
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- is duplicated by
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- Closed
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