Function encode_tvp_datetimeoffset 

pub fn encode_tvp_datetimeoffset(
    time_intervals: u64,
    days: u32,
    offset_minutes: i16,
    scale: u8,
    buf: &mut BytesMut,
)

Encode a DATETIMEOFFSET value for TVP.

DATETIMEOFFSET is TIME followed by DATE followed by timezone offset.

Arguments

• time_intervals - Time in 100-nanosecond intervals since midnight
• days - Days since year 1 (0001-01-01)
• offset_minutes - Timezone offset in minutes (e.g., -480 for UTC-8, 330 for UTC+5:30)
• scale - Fractional seconds precision (0-7)