structure_dump

# File activerecord/lib/active_record/tasks/mysql_database_tasks.rb, line 42
      def structure_dump(filename, extra_flags)
        args = prepare_command_options
        args.concat(["--result-file", "#{filename}"])
        args.concat(["--no-data"])
        args.concat(["--routines"])
        args.concat(["--skip-comments"])

        ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
        if ignore_tables.any?
          ignore_tables = connection.data_sources.select { |table| ignore_tables.any? { |pattern| pattern === table } }
          args += ignore_tables.map { |table| "--ignore-table=#{db_config.database}.#{table}" }
        end

        args.concat([db_config.database.to_s])
        args.unshift(*extra_flags) if extra_flags

        run_cmd("mysqldump", args, "dumping")
      end