module DataMapper::Aggregates::Query

Public Class Methods

included(base) click to toggle source
# File lib/dm-aggregates/query.rb, line 4
      def self.included(base)
        base.class_eval <<-RUBY, __FILE__, __LINE__ + 1
          # FIXME: figure out a cleaner approach than AMC
          alias_method :assert_valid_fields_without_operator, :assert_valid_fields
          alias_method :assert_valid_fields, :assert_valid_fields_with_operator
        RUBY
      end

Public Instance Methods

assert_valid_fields_with_operator(fields, unique) click to toggle source
# File lib/dm-aggregates/query.rb, line 12
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