table_comment

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 284
      def table_comment(table_name) # :nodoc:
        scope = quoted_scope(table_name)

        query_value(          SELECT table_comment          FROM information_schema.tables          WHERE table_schema = #{scope[:schema]}            AND table_name = #{scope[:name]}.strip_heredoc, "SCHEMA").presence
      end