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QueryStatistics

oxirs_core::query::query_profiler

Struct QueryStatistics 

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pub struct QueryStatistics {
Show 13 fields
    pub total_time_ms: u64,
    pub parse_time_ms: u64,
    pub planning_time_ms: u64,
    pub execution_time_ms: u64,
    pub triples_matched: u64,
    pub results_count: u64,
    pub peak_memory_bytes: u64,
    pub pattern_matches: HashMap<String, u64>,
    pub index_accesses: HashMap<String, u64>,
    pub join_operations: u64,
    pub cache_hit_rate: f32,
    pub plan_hash: u64,
    pub timestamp: u64,

}
Expand description

Comprehensive query statistics

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§total_time_ms: u64

Total execution time in milliseconds

§parse_time_ms: u64

Parsing time in milliseconds

§planning_time_ms: u64

Planning time in milliseconds

§execution_time_ms: u64

Execution time in milliseconds

§triples_matched: u64

Number of triples matched

§results_count: u64

Number of results produced

§peak_memory_bytes: u64

Peak memory usage in bytes

§pattern_matches: HashMap<String, u64>

Number of pattern matches

§index_accesses: HashMap<String, u64>

Index access counts

§join_operations: u64

Join operation counts

§cache_hit_rate: f32

Cache hit rate (0.0 to 1.0)

§plan_hash: u64

Query plan hash for comparison

§timestamp: u64

Timestamp of query execution

Trait Implementations§

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impl Clone for QueryStatistics

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fn clone(&self) -> QueryStatistics

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 QueryStatistics

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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 Default for QueryStatistics

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for QueryStatistics

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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 QueryStatistics

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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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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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