resolve_sti_reflections

# File activerecord/lib/active_record/fixture_set/table_row.rb, line 148
        def resolve_sti_reflections
          # If STI is used, find the correct subclass for association reflection
          reflection_class._reflections.each_value do |association|
            case association.macro
            when :belongs_to
              # Do not replace association name with association foreign key if they are named the same
              fk_name = association.join_foreign_key

              if association.name.to_s != fk_name && value = @row.delete(association.name.to_s)
                if association.polymorphic?
                  if value.sub!(/\s*\(([^)]*)\)\s*$/, "")
                    # support polymorphic belongs_to as "label (Type)"
                    @row[association.join_foreign_type] = $1
                  end
                elsif association.join_primary_key != association.klass.primary_key
                  raise PrimaryKeyError.new(@label, association, value)
                end

                if fk_name.is_a?(Array)
                  composite_key = ActiveRecord::FixtureSet.composite_identify(value, fk_name)
                  composite_key.each do |column, value|
                    next if column_defined?(column)

                    @row[column] = value
                  end
                else
                  fk_type = reflection_class.type_for_attribute(fk_name).type
                  @row[fk_name] = ActiveRecord::FixtureSet.identify(value, fk_type)
                end
              end
            when :has_many
              if association.options[:through]
                add_join_records(HasManyThroughProxy.new(association))
              end
            end
          end
        end