pub struct OptimizationCache { /* private fields */ }Expand description
Cache for optimization decisions and plans
Implementations§
Source§impl OptimizationCache
impl OptimizationCache
Sourcepub fn new(config: CacheConfig) -> Self
pub fn new(config: CacheConfig) -> Self
Create a new optimization cache
Sourcepub fn cache_plan(&mut self, query_hash: u64, plan: Algebra, cost: f64)
pub fn cache_plan(&mut self, query_hash: u64, plan: Algebra, cost: f64)
Cache an optimized plan
Sourcepub fn get_cached_plan(&mut self, query_hash: u64) -> Option<Algebra>
pub fn get_cached_plan(&mut self, query_hash: u64) -> Option<Algebra>
Get cached plan if available and not expired
Sourcepub fn cache_decision(&mut self, context_hash: u64, decision: CachedDecision)
pub fn cache_decision(&mut self, context_hash: u64, decision: CachedDecision)
Cache an optimization decision
Sourcepub fn get_cached_decision(
&mut self,
context_hash: u64,
) -> Option<CachedDecision>
pub fn get_cached_decision( &mut self, context_hash: u64, ) -> Option<CachedDecision>
Get cached decision if available
Sourcepub fn statistics(&self) -> &CacheStatistics
pub fn statistics(&self) -> &CacheStatistics
Get cache statistics
Sourcepub fn plan_hit_ratio(&self) -> f64
pub fn plan_hit_ratio(&self) -> f64
Get cache hit ratio for plans
Sourcepub fn decision_hit_ratio(&self) -> f64
pub fn decision_hit_ratio(&self) -> f64
Get cache hit ratio for decisions
Sourcepub fn total_requests(&self) -> usize
pub fn total_requests(&self) -> usize
Get total number of requests made to the cache
Trait Implementations§
Source§impl Clone for OptimizationCache
impl Clone for OptimizationCache
Source§fn clone(&self) -> OptimizationCache
fn clone(&self) -> OptimizationCache
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreAuto Trait Implementations§
impl Freeze for OptimizationCache
impl RefUnwindSafe for OptimizationCache
impl Send for OptimizationCache
impl Sync for OptimizationCache
impl Unpin for OptimizationCache
impl UnsafeUnpin for OptimizationCache
impl UnwindSafe for OptimizationCache
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