# File lib/dm-aggregates/query.rb, line 13 def assert_valid_fields_with_operator(fields, unique) operators, fields = fields.partition { |f| f.kind_of?(DataMapper::Query::Operator) } operators.each do |operator| target = operator.target unless target == :all || @properties.include?(target) raise ArgumentError, "+options[:fields]+ entry #{target.inspect} does not map to a property in #{model}" end end assert_valid_fields_without_operator(fields, unique) end