Struct RowCache 

pub struct RowCache { /* private fields */ }

Row-level LRU cache for hot data

Implementations

impl RowCache

pub fn new() -> Self

Create new row cache with default size (100MB)

pub fn with_size(max_size: u64) -> Self

Create new row cache with custom max size

pub fn get_or_insert(&mut self, key: &str, data: Vec<u8>) -> Vec<u8>

Add data to cache (or retrieve if exists)

pub fn get(&mut self, key: &str) -> Option<Vec<u8>>

Get data from cache if exists

pub fn clear(&mut self)

Clear entire cache

pub fn size_bytes(&self) -> u64

Get cache size in bytes

pub fn len(&self) -> usize

Get number of entries

pub fn is_empty(&self) -> bool

Check if empty

pub fn entry_count(&self) -> usize

Get entry count for testing

Trait Implementations

impl Clone for RowCache

fn clone(&self) -> RowCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RowCache

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

Formats the value using the given formatter.

impl Default for RowCache

fn default() -> Self

Returns the “default value” for a type.