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sunny0425/mongoid_group.rb

Created December 3, 2012 08:40
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user group in mongoid
Raw
mongoid_group.rb
results = Letter.collection.group({
:key => 'author_id',
:initial => {:count => 0},
:reduce => "function(x, y) { y.count++;}"
})
ViewLog.only(:loggable_id).aggregate
=> [{"loggable_id"=>BSON::ObjectId('5062678e0a217501dd000015'), "count"=>2.0},
{"loggable_id"=>BSON::ObjectId('506267e00a217501dd000084'), "count"=>2.0},
{"loggable_id"=>BSON::ObjectId('508fa73c0a21750e74000051'), "count"=>25.0},
{"loggable_id"=>BSON::ObjectId('505bec4e0a21750383000003'), "count"=>1.0},
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