Struct QueryCache 

pub struct QueryCache { /* private fields */ }

Per-request query cache backed by MemoryStore.

Implementations

impl QueryCache

pub fn new() -> Self

Creates an empty query cache.

pub fn cache_key(sql: &str, binds: &[Value]) -> String

Computes the cache key for an SQL statement and bind values.

pub fn with_request_scope<F, R>(&self, f: F) -> R

where F: FnOnce() -> R,

Runs f with an isolated request-scoped query cache.

pub fn fetch<F>(&self, sql: &str, binds: &[Value], loader: F) -> Value

where F: FnOnce() -> Value,

Reads a cached query result or computes and stores it.

pub fn execute_write<F, R>(&self, operation: F) -> R

where F: FnOnce() -> R,

Clears cached query results after a write operation.

pub fn uncached<F, R>(f: F) -> R

where F: FnOnce() -> R,

Executes f while bypassing the current request cache.

Trait Implementations

impl Clone for QueryCache

fn clone(&self) -> QueryCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryCache

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

Formats the value using the given formatter.

impl Default for QueryCache

fn default() -> Self

Returns the “default value” for a type.