lib/hydra_attribute/active_record/relation/calculations.rb
module HydraAttribute
module ActiveRecord
module Relation
module Calculation
extend ActiveSupport::Concern
included do
attr_accessor :hydra_attribute_performs_calculation
end
# Notifies +#build_arel+ method that it builds query for calculation
def execute_simple_calculation(operation, column_name, distinct)
self.hydra_attribute_performs_calculation = true
super(operation, column_name, distinct)
end
end
end
end
end