`Sys_end` SYS_DATATYPE GENERATED ALWAYS AS ROW END INVISIBLE COMMENT 'end',
PERIOD FOR SYSTEM_TIME (`Sys_start`, `Sys_end`)
) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 WITH SYSTEM VERSIONING
select table_catalog,table_schema,table_name,table_type,version,table_rows,avg_row_length,data_free,auto_increment,check_time,table_collation,checksum,create_options,table_comment from information_schema.tables where table_name='t1';
select table_catalog,table_schema,table_name,table_type,version,table_rows,data_free,auto_increment,check_time,table_collation,checksum,create_options,table_comment from information_schema.tables where table_name='t1';