Mongodb Aggregation How to get total count

[goutham gowda]

For this below query, 

db.profileInterest.aggregate([

   { $project: { _id: 1, fromProfile: 1, toProfile: 1, contactNoViewed:1, shortListed: 1, count: {$size: '$interestStatus'}, threeFavorites: { $slice: [ "$interestStatus", -1 ] }} },

   {$match: {"threeFavorites.id": {$ne: 100}, total:{$size: '$fromProfile'}}}

]).pretty();

how to get total count of this aggregation.

[Hakan]

You can use itcount()::: 

db.profileInterest.aggregate([ ..... ]).itcount();

or

make another group stage::

db.profileInterest.aggregate([ ......., {$group: {_id: null, total: {$sum:1 }}}]);