Enum NullOrder 

pub enum NullOrder {
    First,
    Last,
}

Where NULLs sort relative to non-NULL values. PostgreSQL’s default is NULLS LAST for ASC and NULLS FIRST for DESC; SQLite’s default is NULLS FIRST for both. CrateStack pins the framework default to NULLS LAST so listings stay deterministic across backends and so soft-deleted rows (typed Option<DateTime> that surface as None for visible rows) don’t muscle their way to the top of every listing. Override per-clause via OrderClause::nulls_first when scheduler / outbox queries want fresh-as-null tasks at the head of the queue.

Variants

First

Last

Trait Implementations

impl Clone for NullOrder

fn clone(&self) -> NullOrder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NullOrder

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

Formats the value using the given formatter.

impl Default for NullOrder

fn default() -> NullOrder

Returns the “default value” for a type.

impl PartialEq for NullOrder

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for NullOrder

impl Eq for NullOrder

impl StructuralPartialEq for NullOrder