Struct DurationValue 

pub struct DurationValue {
    pub months: i64,
    pub days: i64,
    pub seconds: i64,
    pub nanos: i64,
}

A Cypher duration: months and days are kept distinct (a month is not a fixed number of days), with everything finer than a day carried in nanos (integer nanoseconds — exact even for very large sub-day spans, unlike an f64 seconds count whose mantissa drops sub-second precision past ~1e15ns). A typed Cypher duration (ADR 0009 / #1011): signed months / days kept distinct (a month is not a fixed number of days), and the sub-day time split into whole seconds plus nanos-of-second. Splitting seconds from nanos lets a billion-year duration.inSeconds (~6.3e16 s) fit i64, where a single total-nanos field would overflow (~6.3e25 ns); months: i64 likewise holds the ~24e9-month spans duration.between can produce. nanos is in (-1e9, 1e9) and shares the sign of seconds (truncating split).

Fields

months: i64

Signed whole months.

days: i64

Signed whole days.

seconds: i64

Signed whole sub-day seconds (carries the sub-day sign).

nanos: i64

Nanoseconds-of-second, always [0, 1e9) (the Neo4j/openCypher canonical form — seconds carries the sign; d.nanosecondsOfSecond is non-negative).

Implementations

impl DurationValue

pub fn from_total_nanos(months: i64, days: i64, total_nanos: i64) -> Self

Build from months/days plus a total sub-day nanoseconds count, FLOOR-splitting it into seconds + non-negative nanos-of-second (the canonical form: seconds carries the sign, nanos is [0, 1e9)). Used where a sub-day span is already a bounded total-nanos value (construction, time-only between, native Arrow durations).

Trait Implementations

impl Clone for DurationValue

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for DurationValue

impl Debug for DurationValue

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for DurationValue

impl PartialEq for DurationValue

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for DurationValue