Function timestamp_ms_to_datetime

arrow-array/src/temporal_conversions.rs:174–184

(v: i64)

/// converts a `i64` representing a `timestamp(ms)` to [`NaiveDateTime`]
#[inline]
pub fn timestamp_ms_to_datetime(v: i64) -> Option<NaiveDateTime> {
    let (sec, milli_sec) = split_second(v, MILLISECONDS);

    let datetime = DateTime::from_timestamp(
        // extract seconds from milliseconds
        sec,
        // discard extracted seconds and convert milliseconds to nanoseconds
        milli_sec * MICROSECONDS as u32,
    )?;
    Some(datetime.naive_utc())
}

/// converts a `i64` representing a `timestamp(us)` to [`NaiveDateTime`]
#[inline]