pub struct PlanCache { /* private fields */ }Expand description
LRU-cached execution plans keyed by source text.
Implementations§
Source§impl PlanCache
impl PlanCache
Sourcepub fn new(capacity: NonZeroUsize) -> Self
pub fn new(capacity: NonZeroUsize) -> Self
Create an empty plan cache with the given entry capacity.
Sourcepub const fn stats(&self) -> PlanCacheStats
pub const fn stats(&self) -> PlanCacheStats
Return a snapshot of the cache counters.
Auto Trait Implementations§
impl Freeze for PlanCache
impl RefUnwindSafe for PlanCache
impl Send for PlanCache
impl Sync for PlanCache
impl Unpin for PlanCache
impl UnsafeUnpin for PlanCache
impl UnwindSafe for PlanCache
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Source§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
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Converts some archived metadata to the pointer metadata for itself.
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Source§impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
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