module Mongoid::Frequency
Constants
- VERSION
Public Instance Methods
query(collection, match, group)
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# File lib/mongoid_frequency/query.rb, line 5 def query(collection, match, group) collection.aggregate([ { '$match' => match }, { '$group' => { _id: ensure_bling(group), count: { '$sum' => 1 } } } ]).each_with_object({}) do |element, h| h[element['_id']] = element['count'] end end
Private Instance Methods
ensure_bling(group)
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# File lib/mongoid_frequency/query.rb, line 25 def ensure_bling(group) group.to_s.sub(/^\$?/, '$') end