if you have something like
db.users.save(
)
db.users.ensureIndex(
)
and you do
db.users.find( {} ,
)
it should only look at the index and never go to object.
- depends on
-
SERVER-822 Field exclusion on _id should actually exclude _id
- Closed
- is depended on by
-
SERVER-2104 covered index should support dotted fields
- Closed
-
SERVER-2109 Query optimizer should pick plans that can use covered indexes
- Closed