Struct CoreCacheKey 

pub struct CoreCacheKey {
    pub dataset_id: String,
    pub query_fingerprint: u64,
}

A composite cache key that uniquely identifies a cached query result.

The key combines a dataset identifier with a 64-bit fingerprint of the query text so that the same query run against different datasets is stored in separate entries.

Fields

dataset_id: String

Identifier of the dataset this query was run against (e.g. a URL or a name).

query_fingerprint: u64

FNV-1a hash of the normalized query text.

Implementations

impl CoreCacheKey

pub fn new(dataset_id: &str, query: &str) -> Self

Construct a new cache key from a dataset identifier and the raw SPARQL query text.

Trait Implementations

impl Clone for CoreCacheKey

fn clone(&self) -> CoreCacheKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CoreCacheKey

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

Formats the value using the given formatter.

impl Hash for CoreCacheKey

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for CoreCacheKey

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for CoreCacheKey

impl StructuralPartialEq for CoreCacheKey