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amitsaxena/gist:6977506

Last active February 7, 2017 18:33
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How to get object creation timestamp from BSON object id using mongoid, and do range queries on it.
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gistfile1.rb
# To get the created at timestamp
sample_object.id.generation_time
# To do range queries
start = Moped::BSON::ObjectId.from_time(Time.now.beginning_of_day)
finish = Moped::BSON::ObjectId.from_time(Time.now.end_of_day)
MyModel.where(:id => {'$gt' => start, '$lt' => finish}).count
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