bug_demo.sql

select * from 
(
    select date_add('millisecond', (t3.i*1000 + t2.i*100 + t1.i*10 + t0.i), TIMESTAMP '1981-12-31 23:59:59.5') mytime from
     (select 0 i union select 1 union select 2 union select 3 union select 4 union select 5 union select 6 union select 7 union select 8 union select 9) t0,
     (select 0 i union select 1 union select 2 union select 3 union select 4 union select 5 union select 6 union select 7 union select 8 union select 9) t1,
     (select 0 i union select 1 union select 2 union select 3 union select 4 union select 5 union select 6 union select 7 union select 8 union select 9) t2,
     (select 0 i union select 1 union select 2 union select 3 union select 4 union select 5 union select 6 union select 7 union select 8 union select 9) t3
)

        mytime
-----------------------
1981-12-31 23:59:59.997
1981-12-31 23:59:59.998
1981-12-31 23:59:59.999
1982-01-01 00:30:00.000
1982-01-01 00:30:00.001
1982-01-01 00:30:00.002