Struct QueryMetrics 

pub struct QueryMetrics {
    pub total_queries: u64,
    pub successful_queries: u64,
    pub failed_queries: u64,
    pub total_time_us: u64,
    pub avg_time_us: u64,
    pub min_time_us: u64,
    pub max_time_us: u64,
    pub slow_queries: u64,
    pub cache_hits: u64,
    pub queries_by_type: HashMap<String, u64>,
    pub queries_by_model: HashMap<String, u64>,
}

Collected metrics for queries.

Fields

total_queries: u64

Total number of queries executed.

successful_queries: u64

Number of successful queries.

failed_queries: u64

Number of failed queries.

total_time_us: u64

Total execution time in microseconds.

avg_time_us: u64

Average execution time in microseconds.

min_time_us: u64

Minimum execution time in microseconds.

max_time_us: u64

Maximum execution time in microseconds.

slow_queries: u64

Number of slow queries.

cache_hits: u64

Number of cache hits.

queries_by_type: HashMap<String, u64>

Queries by type.

queries_by_model: HashMap<String, u64>

Queries by model.

Implementations

impl QueryMetrics

pub fn new() -> Self

Create empty metrics.

pub fn success_rate(&self) -> f64

Calculate query success rate (0.0 to 1.0).

pub fn cache_hit_rate(&self) -> f64

Calculate cache hit rate (0.0 to 1.0).

pub fn slow_query_rate(&self) -> f64

Calculate slow query rate (0.0 to 1.0).

Trait Implementations

impl Clone for QueryMetrics

fn clone(&self) -> QueryMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryMetrics

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

Formats the value using the given formatter.

impl Default for QueryMetrics

fn default() -> Self

Returns the “default value” for a type.