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    Type:Bug 
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    Resolution: Duplicate
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    Priority:Major - P3 
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    None
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    Affects Version/s: 1.8.2
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    Component/s: Index Maintenance, Querying
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    Environment:centos x64 mongo-10gen-server-1.8.2-mongodb_1
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        Linux
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> db.index.find().count().explain();
Wed Jul 27 16:51:45 TypeError: db.index.find().count().explain is not a function (shell):1
other ways to call count with explain i have tried also fail similarly.
how do i know if mongod optimizes count query correctly if i can't "explain" it?
- related to
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                    SERVER-10448 Revamp explain() formatting -         
- Closed
 
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