construct_model

# File activerecord/lib/active_record/associations/join_dependency.rb, line 272
      def construct_model(record, node, row, model_cache, id, aliases)
        model = model_cache[node][id] ||= node.instantiate(row,
                                                           aliases.column_aliases(node))
        other = record.association(node.reflection.name)

        if node.reflection.collection?
          other.target.push(model)
        else
          other.target = model
        end

        other.set_inverse_instance(model)
        model
      end