to_np_timedelta64

to_np_timedelta64 converts a Java time duration to a numpy.timedelta64.

danger

Avoid deephaven.time functions in query strings. Because deephaven.time provides functions that convert between Python and Java types, every call crosses the Python-Java boundary, which slows performance. For more information, see:

• Time in Deephaven
• Java/Python boundary crossings

Syntax

to_np_timedelta64(dt: Union[None, Duration, Period]) -> numpy.timedelta64

Parameters

Parameter	Type	Description
dt	Union[None, Duration, Period]	A Java time duration to convert to a numpy.timedelta64. If None is provided, None is returned.

Returns

Returns a numpy.timedelta64.

Examples

from deephaven.time import to_j_duration, to_np_timedelta64

duration = to_j_duration("PT42M")

np_td = to_np_timedelta64(duration)

print(np_td, type(np_td))

from deephaven.time import dh_now, to_np_timedelta64, to_j_period, to_j_duration

period = to_j_period("P2Y")

np_td = to_np_timedelta64(period)

print(np_td)

Related Documentation

• Pydoc