Struct QueryCacheStats 

pub struct QueryCacheStats {
    pub hits: u64,
    pub misses: u64,
    pub len: usize,
    pub cap: usize,
}

Statistics snapshot for SqlQueryCache.

Fields

hits: u64

Total number of cache hits (normalised-key lookup returned a live entry).

misses: u64

Total number of cache misses (key absent or entry expired).

len: usize

Number of entries currently held in the cache.

cap: usize

Maximum number of entries the cache can hold.

Implementations

impl QueryCacheStats

pub fn hit_rate(&self) -> f64

Return the hit rate as a fraction in [0.0, 1.0].

Returns 0.0 if no accesses have been recorded.

Trait Implementations

impl Clone for QueryCacheStats

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for QueryCacheStats

impl Debug for QueryCacheStats

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

Formats the value using the given formatter.

impl PartialEq for QueryCacheStats

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for QueryCacheStats