-- SELECT * FROM tbl -- the time-field and time-end field gets converted to time.Time CREATE TABLE tbl ( -- note, in the timestmap below we must say `NULL` otherwise mysql-below-8 inserts current timestamp reallyt timestamp(6) NULL, -- reference real timestamp "time" double precision, n double precision, -- normal number, it should not get converted to a timestamp timeend bigint ); INSERT INTO tbl (reallyt, "time", n, timeend) VALUES ('2023-12-21T12:21:27 UTC', 1703161287, 1703161287, 1703161312), ('2023-12-21T12:21:27.724 UTC', 1703161287724, 1703161287724, 1703161312522), ('2023-12-21T12:21:27.724919 UTC', 1703161287724919000, 1703161287724919000, 1703161312522186000), (NULL, NULL, NULL, NULL);