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Type:
Improvement
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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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None
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Query Optimization
While distinct command may generate DISTINCT_SCAN plans, it doesn't do so in the case of views (including identity views).
- is related to
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SERVER-25899 Make the distinct command always execute as an aggregation pipeline
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- Backlog
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SERVER-37715 Use DISTINCT_SCAN for $unwind-$group pipelines
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- Backlog
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SERVER-68567 distinct command on the Time-Series collection doesn't utilize the existing index
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- Backlog
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- related to
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SERVER-27915 Make $group with $addToSet accumulator use DISTINCT_SCAN when applicable
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- Backlog
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