Struct SharedReadTx 

pub struct SharedReadTx { /* private fields */ }

Snapshot-pinned read handle for SharedDatabase.

Phase 41 (tranche 1): the handle keeps a stable snapshot_hlc and offers read helpers. Reads currently reuse the existing engine path.

Implementations

impl SharedReadTx

pub fn snapshot_hlc(&self) -> Hlc

HLC snapshot associated with this read transaction.

pub fn get(&self, collection: &str, key: &Uuid) -> Result<Option<Value>>

Reads one document at this transaction snapshot.

pub fn scan( &self, collection: &str, range: impl RangeBounds<Uuid>, ) -> Result<Vec<(Uuid, Value)>>

Scans a range at this transaction snapshot.

pub fn query( &self, collection: &str, index_name: &str, value: &Value, ) -> Result<Vec<(Uuid, Value)>>

Queries an index at this transaction snapshot.

pub fn query_range( &self, collection: &str, index_name: &str, start: &Value, end: &Value, ) -> Result<Vec<(Uuid, Value)>>

Range-query on an index at this transaction snapshot.

Trait Implementations

impl Clone for SharedReadTx

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Drop for SharedReadTx

fn drop(&mut self)

Executes the destructor for this type.