OT NULL,
  MODIFY Master_log_name TEXT CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NOT NULL,
  MODIFY Checkpoint_relay_log_name TEXT CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NOT NULL,
  MODIFY Checkpoint_master_log_name TEXT CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NOT NULL,
  MODIFY Checkpoint_group_bitmap BLOB NOT NULL;