Struct QueryCache 

pub struct QueryCache { /* private fields */ }

A simple in-memory cache for query results.

Implementations

impl QueryCache

pub fn new() -> Self

Create a new query cache with default settings.

pub fn with_max_entries(max_entries: usize) -> Self

Create a new query cache with a maximum number of entries.

pub fn get( &self, function_name: &str, args: &Value, auth_scope: Option<&str>, ) -> Option<Arc<Value>>

Get a cached value if it exists and hasn’t expired.

pub fn set( &self, function_name: &str, args: &Value, auth_scope: Option<&str>, value: Value, ttl: Duration, )

Set a cached value with a TTL.

pub fn set_arc( &self, function_name: &str, args: &Value, auth_scope: Option<&str>, value: Arc<Value>, ttl: Duration, )

Store a pre-wrapped Arc<Value> in the cache.

pub fn invalidate(&self, function_name: &str, args: &Value)

Invalidate a specific cache entry.

pub fn invalidate_function(&self, function_name: &str)

Invalidate all entries for a function.

pub fn invalidate_by_tables(&self, query_names: &[&str])

Invalidate all cached queries that depend on any of the given tables.

pub fn clear(&self)

Clear the entire cache.

pub fn len(&self) -> usize

Get the number of cached entries.

pub fn is_empty(&self) -> bool

Check if the cache is empty.

Trait Implementations

impl Default for QueryCache

fn default() -> Self

Returns the “default value” for a type.