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Type:
Improvement
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Resolution: Unresolved
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Priority:
Minor - P4
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None
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Affects Version/s: None
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Component/s: Querying
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Query Integration
Currently the text stage always fetches the document: https://github.com/mongodb/mongo/blob/r2.8.0-rc1/src/mongo/db/exec/text.cpp#L291.
This can be a significant amount of wasted work if just doing a count of documents matching a query. A WT test runs 4x faster with that line commented out (obviously not a real solution but a reasonable model for how one would perform).
- is related to
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SERVER-16390 Text stage fetches document twice if phrase or negation filter present
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- Closed
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