On a covered $or query, we expect no objects to be scanned. For each clause, the "nscannedObjects" field is 0, but for the overall query, the "nscannedObjects" field is equal to "nscanned" and > 0.
- is related to
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SERVER-13128 Explain field 'nscannedObjects' incorrect for indexed $or queries
- Closed
- related to
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SERVER-12630 incorrect nscannedObjects for $or
- Closed