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    Type:New Feature 
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    Resolution: Done
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: Aggregation Framework
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        Fully Compatible
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        Query 16 (06/24/16)
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        None
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        None
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        None
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        None
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Syntactic sugar for
{$group:{_id:null, count:{$sum:1}}}
Seems not user friendly.
- is depended on by
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                    CSHARP-1743 Add support for $count stage to IAggregateFluent -         
- Closed
 
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                    JAVA-2277 Add builder for $count aggregation stage -         
- Closed
 
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- related to
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                    DRIVERS-297 Aggregation Framework Support for 3.4 -         
- Closed
 
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                    SERVER-6365 New aggregation pipeline operator: $count -         
- Closed
 
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