Struct QueryCache 

pub struct QueryCache { /* private fields */ }

LRU cache for query results

Implementations

impl QueryCache

pub fn new(config: CacheConfig) -> Self

Create a new query cache

pub fn get(&self, key: &str) -> Option<CacheEntry>

Get cached results

pub fn insert(&self, key: String, results: Vec<RowBatch>)

Insert results into cache

pub fn remove(&self, key: &str) -> bool

Remove entry from cache

pub fn clear(&self)

Clear all cache entries

pub fn stats(&self) -> CacheStats

Get cache statistics

pub fn memory_used(&self) -> usize

Get current memory usage

pub fn len(&self) -> usize

Get number of cached entries

pub fn is_empty(&self) -> bool

Check if cache is empty

pub fn clean_expired(&self)

Clean expired entries