ensure_valid_options_for_connection!

# File activerecord/lib/active_record/insert_all.rb, line 173
      def ensure_valid_options_for_connection!
        if returning && !connection.supports_insert_returning?
          raise ArgumentError, "#{connection.class} does not support :returning"
        end

        if skip_duplicates? && !connection.supports_insert_on_duplicate_skip?
          raise ArgumentError, "#{connection.class} does not support skipping duplicates"
        end

        if update_duplicates? && !connection.supports_insert_on_duplicate_update?
          raise ArgumentError, "#{connection.class} does not support upsert"
        end

        if unique_by && !connection.supports_insert_conflict_target?
          raise ArgumentError, "#{connection.class} does not support :unique_by"
        end
      end