datatable.time.nanosecond()

datatable.time.

nanosecond

(

time

)

sourcetests

Added in version 1.0.0

Retrieve the “nanosecond” component of a time64 column. The produced column will have values in the range [0; 999999999].

Parameters

time

FExpr[time64]

A column for which you want to compute the nanosecond part.

return

FExpr[int32]

The “nanosecond” part of the source column.

Examples

from datetime import datetime as d DT = dt.Frame([d(2020, 5, 11, 12, 0, 0), d(2021, 6, 14, 16, 10, 59, 394873)]) DT[:, {'time': f[0], 'ns': dt.time.nanosecond(f[0])}]

	time	ns
	time64	int32
0	2020-05-11T12:00:00	0
1	2021-06-14T16:10:59.394873	394873000

2 rows × 2 columns

See Also

• hour() – retrieve the “hour” component of a timestamp

• minute() – retrieve the “minute” component of a timestamp

• second() – retrieve the “second” component of a timestamp