INSERT cannot get row_start/row_end values

create table t0 (c0 int, c1 timestamp(6), c2 timestamp(6)) with system versioning;

insert into t0 values (0, '2000-01-01 00:00:00', c1);

insert into t0 values (1, '2001-01-01 00:00:00', row_start);

insert into t0 values (2, '2002-01-01 00:00:00', row_end);

select * from t0;

drop table t0;

select * from t0;

c0      c1      c2

0       2000-01-01 00:00:00.000000      2000-01-01 00:00:00.000000

1       2001-01-01 00:00:00.000000      0000-00-00 00:00:00.000000

2       2002-01-01 00:00:00.000000      0000-00-00 00:00:00.000000