Struct QueryPlanCache 

pub struct QueryPlanCache { /* private fields */ }

Query plan cache for avoiding redundant optimization

Implementations

impl QueryPlanCache

pub fn new() -> Self

Create a new query plan cache

pub fn with_config(config: CachingConfig) -> Self

Create with custom configuration

pub fn with_invalidation_coordinator( config: CachingConfig, coordinator: Arc<CacheCoordinator>, ) -> Self

Create with invalidation coordinator

pub fn attach_coordinator(&mut self, coordinator: Arc<CacheCoordinator>)

Attach invalidation coordinator

pub fn get( &self, query: &str, params: Vec<String>, current_stats: &Statistics, ) -> Option<Algebra>

Get a cached plan if available

pub fn insert( &self, query: &str, params: Vec<String>, plan: Algebra, estimated_cost: f64, current_stats: &Statistics, )

Cache a query plan

pub fn clear(&self)

Clear the entire cache

pub fn invalidate_pattern(&self, pattern: &str)

Invalidate entries that reference a specific pattern

pub fn mark_invalidated(&self, signature: QuerySignature)

Mark entry as invalidated without removing (for batched invalidation)

pub fn invalidate_signature(&self, signature: &QuerySignature)

Invalidate by signature (for coordinator integration)

pub fn statistics(&self) -> CacheStats

Get cache statistics

pub fn config(&self) -> &CachingConfig

Get configuration

pub fn update_config(&mut self, config: CachingConfig)

Update configuration

Trait Implementations

impl Default for QueryPlanCache

fn default() -> Self

Returns the “default value” for a type.