Struct QueryDeduplicator

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pub struct QueryDeduplicator { /* private fields */ }

Expand description

Query deduplicator that prevents executing identical queries multiple times

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impl QueryDeduplicator

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pub fn new() -> Self

Create a new query deduplicator

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pub async fn execute_deduplicated<F, Fut>( &self, query_key: QueryKey, execute_fn: F, ) -> OrmResult<Vec<JsonValue>>
where F: FnOnce() -> Fut, Fut: Future<Output = OrmResult<Vec<JsonValue>>>,

Execute a query with deduplication If an identical query is already running, wait for its result instead

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pub async fn stats(&self) -> DeduplicationStats

Get deduplication statistics

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pub async fn reset_stats(&self)

Reset statistics

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pub async fn has_pending_queries(&self) -> bool

Check if any queries are currently pending

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pub async fn pending_query_count(&self) -> usize

Get the number of pending queries

Trait Implementations§

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impl Default for QueryDeduplicator

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl !UnwindSafe for QueryDeduplicator

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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