Struct AsyncMapSnapshot 

pub struct AsyncMapSnapshot<'a, S: AsyncStore> { /* private fields */ }

Immutable version-pinned async read view.

Implementations

impl<'a, S> AsyncMapSnapshot<'a, S>

where S: AsyncStore, <S as AsyncStore>::Error: Send + Sync,

pub fn version(&self) -> &MapVersion

Pinned version metadata.

pub fn tree(&self) -> &Tree

Immutable pinned tree.

pub async fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error>

Read one key.

pub async fn get_many<K: AsRef<[u8]>>( &self, keys: &[K], ) -> Result<Vec<Option<Vec<u8>>>, Error>

Read several keys while preserving order and duplicates.

pub async fn range<'s>( &'s self, start: &[u8], end: Option<&[u8]>, ) -> Result<AsyncRangeIter<'s, S>, Error>

Lazily stream a key range.

pub async fn prefix<'s>( &'s self, prefix: &[u8], ) -> Result<AsyncRangeIter<'s, S>, Error>

Lazily stream one key prefix.

pub async fn range_page( &self, cursor: &RangeCursor, end: Option<&[u8]>, limit: usize, ) -> Result<RangePage, Error>

Read one forward cursor page.

pub async fn prefix_page( &self, prefix: &[u8], cursor: &RangeCursor, limit: usize, ) -> Result<RangePage, Error>

Read one prefix cursor page.

pub async fn stats(&self) -> Result<TreeStats, Error>

Collect tree statistics asynchronously.

pub async fn prove_key(&self, key: &[u8]) -> Result<KeyProof, Error>

Prove one key asynchronously.

pub async fn prove_keys<K: AsRef<[u8]>>( &self, keys: &[K], ) -> Result<MultiKeyProof, Error>

Prove several keys asynchronously.

pub async fn prove_range( &self, start: &[u8], end: Option<&[u8]>, ) -> Result<RangeProof, Error>

Prove a complete range asynchronously.

pub async fn prove_prefix(&self, prefix: &[u8]) -> Result<RangeProof, Error>

Prove a complete prefix asynchronously.