instance method `reflect_on_aggregation`

Ruby on Rails 2.3.18

Since v2.2.3

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

reflect_on_aggregation(aggregation)

Returns the AggregateReflection object for the named aggregation (use the symbol). Example:

Account.reflect_on_aggregation(:balance) # returns the balance AggregateReflection

Parameters

aggregation req

Source

# File activerecord/lib/active_record/reflection.rb, line 44
      def reflect_on_aggregation(aggregation)
        reflections[aggregation].is_a?(AggregateReflection) ? reflections[aggregation] : nil
      end

Defined in activerecord/lib/active_record/reflection.rb line 44 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Reflection::ClassMethods

Signature

Parameters