# File ar-extensions/lib/ar-extensions/finder_options.rb, line 48
  def self.included(base)

    #alias and include only if not yet defined
    unless base.respond_to?(:construct_finder_sql_ext)
      base.extend ClassMethods
      base.extend ActiveRecord::Extensions::SqlGeneration
      base.extend HavingOptionBackCompatibility
      base.extend ConstructSqlCompatibility

      base.class_eval do
        class << self
          VALID_FIND_OPTIONS.concat([:pre_sql, :post_sql, :keywords, :ignore, :rollup, :override_select, :having, :index_hint])
          alias_method              :construct_finder_sql, :construct_finder_sql_ext
          alias_method_chain        :construct_finder_sql_with_included_associations, :ext
        end
      end
    end
  end