Method: MongoDoc::Contexts::Mongo#group

Defined in:
lib/mongo_doc/contexts/mongo.rb

#group ⇒ Object

Groups the context. This will take the internally built selector and options and pass them on to the Ruby driver’s group() method on the collection. The collection itself will be retrieved from the class provided, and once the query has returned it will provided a grouping of keys with objects.

Example:

context.group

Returns:

A Hash with field values as keys, arrays of documents as values.



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# File 'lib/mongo_doc/contexts/mongo.rb', line 117

def group
  collection.group(
    options[:fields],
    selector,
    { :group => [] },
    GROUP_REDUCE,
    true
  ).collect {|docs| docs["group"] = MongoDoc::BSON.decode(docs["group"]); docs }
end