CREATE OR REPLACE TABLE inv (

   x INT,

   start_trxid BIGINT UNSIGNED GENERATED ALWAYS AS ROW START INVISIBLE,

   end_trxid BIGINT UNSIGNED GENERATED ALWAYS AS ROW END INVISIBLE,

   PERIOD FOR SYSTEM_TIME(start_trxid, end_trxid)

) WITH SYSTEM VERSIONING;

alter table inv   PARTITION BY SYSTEM_TIME (

    PARTITION p_hist HISTORY,

    PARTITION p_cur CURRENT

  );

ERROR 4110 (HY000): `start_trxid` must be of type TIMESTAMP(6) for system-versioned table `inv`