Struct RowIndex 

pub struct RowIndex(/* private fields */);

Internal storage row index — the position of a node or edge in its store’s structure-of-arrays columns.

Distinct from the external NodeId/EdgeId: a RowIndex is dense, remappable by compaction (D22 / BRIEF-Item-4b/4c), and never persisted — only external ids reach the WAL, snapshot, or Change stream. There is no fixed arithmetic relationship between a row and its id: post-4c new rows are appended at the dense end (the current row count) while the monotonic id counter advances independently, and a compaction pass renumbers rows under stable ids. The mapping is resolved only through the SeleneGraph node_id_to_row/edge_id_to_row maps and the per-store row_to_id reverse columns — never by index arithmetic. Keeping it a newtype lets the compiler flag any site that still conflates a row with an external id.

Implementations

impl RowIndex

pub const TOMBSTONE: RowIndex

Sentinel for “no row” (u32::MAX, never a valid dense row position).

pub const fn new(raw: u32) -> Self

Construct a RowIndex from a raw u32 row position.

pub const fn get(self) -> u32

Return the raw u32 row position.

Trait Implementations

impl Clone for RowIndex

fn clone(&self) -> RowIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RowIndex

impl Debug for RowIndex

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

Formats the value using the given formatter.

impl Eq for RowIndex

impl Hash for RowIndex

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for RowIndex

fn cmp(&self, other: &RowIndex) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for RowIndex

fn eq(&self, other: &RowIndex) -> 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 PartialOrd for RowIndex

fn partial_cmp(&self, other: &RowIndex) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for RowIndex