CachedPlan

oxirs_federate::optimization_cache

Struct CachedPlan 

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pub struct CachedPlan {
    pub plan: ExecutionPlan,
    pub cached_at: SystemTime,
    pub usage_count: u32,
    pub avg_execution_time: Duration,
    pub success_rate: f64,
    pub services: Vec<String>,
    pub performance_improvement: Option<f64>,
    pub fingerprint: QueryFingerprint,
}
Expand description

Cached execution plan with metadata

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§plan: ExecutionPlan

The execution plan

§cached_at: SystemTime

When the plan was cached

§usage_count: u32

Number of times this plan was used

§avg_execution_time: Duration

Average execution time when using this plan

§success_rate: f64

Success rate for this plan

§services: Vec<String>

Services used in this plan

§performance_improvement: Option<f64>

Performance improvement over baseline

§fingerprint: QueryFingerprint

Query fingerprint for similarity matching

Implementations§

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impl CachedPlan

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pub fn new(plan: ExecutionPlan, fingerprint: QueryFingerprint) -> Self

Create a new cached plan

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pub fn update_metrics(&mut self, execution_time: Duration, success: bool)

Update performance metrics

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pub fn is_valid(&self, ttl: Duration) -> bool

Check if the plan is still valid (not expired)

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pub fn calculate_score(&self) -> f64

Calculate plan score for ranking

Trait Implementations§

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impl Clone for CachedPlan

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fn clone(&self) -> CachedPlan

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CachedPlan

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for CachedPlan

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for CachedPlan

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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