Query shapes like {a: { "$in": [1]}, b:1, c: { "$in": [1,2,3]}} and {a: 1, b:1, c: { "$in": [1,2,3]}} are cached separately while they are equivalent.
It may not be a big problem, but mongod could be smart enough to recognize this.
- is duplicated by
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SERVER-23330 Optimize aggregation on sharded setup if first stage is exact match on shard key with $in
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- Closed
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- is related to
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SERVER-27707 findAndModify breaks when I use the query operator "$in" and the update operator "$addToSet" on the same field.
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- Closed
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- Backlog
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- related to
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- Closed
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