class EagerGroup::Preloader::ManyToMany
Public Instance Methods
aggregate_hash()
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# File lib/eager_group/preloader/many_to_many.rb, line 10 def aggregate_hash scope = klass.joins(reflection.name).tap{|query| query.merge!(definition_scope) if definition_scope} scope.where(group_by_foreign_key => record_ids). where(polymophic_as_condition). group(group_by_foreign_key). send(definition.aggregation_function, definition.column_name) end
group_by_foreign_key()
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# File lib/eager_group/preloader/many_to_many.rb, line 6 def group_by_foreign_key "#{reflection.join_table}.#{reflection.foreign_key}" end