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CachedPlan

oxirs_core::query::plan_cache

Struct CachedPlan 

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pub struct CachedPlan {
    pub plan: SerializablePlan,
    pub signature: u64,
    pub cached_at_ms: u128,
    pub access_count: u64,
    pub last_accessed_ms: u128,
    pub estimated_cost: f64,
    pub avg_execution_time_ms: f64,
}
Expand description

Cached execution plan with metadata

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§plan: SerializablePlan

The compiled execution plan

§signature: u64

Query signature (hash)

§cached_at_ms: u128

When the plan was cached

§access_count: u64

How many times this plan was accessed

§last_accessed_ms: u128

Last access time

§estimated_cost: f64

Estimated execution cost

§avg_execution_time_ms: f64

Average actual execution time (milliseconds)

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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🔬This is a nightly-only experimental API. (clone_to_uninit)
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