pub struct WithoutCacheStrategy {}
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Expand description
No statements will be cached,
Trait Implementations§
Source§impl Clone for WithoutCacheStrategy
impl Clone for WithoutCacheStrategy
Source§fn clone(&self) -> WithoutCacheStrategy
fn clone(&self) -> WithoutCacheStrategy
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Default for WithoutCacheStrategy
impl Default for WithoutCacheStrategy
Source§fn default() -> WithoutCacheStrategy
fn default() -> WithoutCacheStrategy
Returns the “default value” for a type. Read more
Source§impl<DB, Statement> StatementCacheStrategy<DB, Statement> for WithoutCacheStrategywhere
DB: Backend,
StatementCacheKey<DB>: Hash + Eq,
DB::TypeMetadata: Clone,
DB::QueryBuilder: Default,
Statement: 'static,
impl<DB, Statement> StatementCacheStrategy<DB, Statement> for WithoutCacheStrategywhere
DB: Backend,
StatementCacheKey<DB>: Hash + Eq,
DB::TypeMetadata: Clone,
DB::QueryBuilder: Default,
Statement: 'static,
Source§fn lookup_statement(
&mut self,
entry: StatementCacheKey<DB>,
) -> LookupStatementResult<'_, DB, Statement>
fn lookup_statement( &mut self, entry: StatementCacheKey<DB>, ) -> LookupStatementResult<'_, DB, Statement>
Returns whether or not the corresponding cache key is already cached
Source§fn cache_size(&self) -> CacheSize
fn cache_size(&self) -> CacheSize
Returns which prepared statement cache size is implemented by this trait
impl Copy for WithoutCacheStrategy
Auto Trait Implementations§
impl Freeze for WithoutCacheStrategy
impl RefUnwindSafe for WithoutCacheStrategy
impl Send for WithoutCacheStrategy
impl Sync for WithoutCacheStrategy
impl Unpin for WithoutCacheStrategy
impl UnwindSafe for WithoutCacheStrategy
Blanket Implementations§
Source§impl<T> AggregateExpressionMethods for T
impl<T> AggregateExpressionMethods for T
Source§fn aggregate_distinct(self) -> AggregateDistinct<Self>where
Self: DistinctDsl,
fn aggregate_distinct(self) -> AggregateDistinct<Self>where
Self: DistinctDsl,
DISTINCT
modifier for aggregate functions Read moreSource§fn aggregate_all(self) -> AggregateAll<Self>where
Self: AllDsl,
fn aggregate_all(self) -> AggregateAll<Self>where
Self: AllDsl,
ALL
modifier for aggregate functions Read moreSource§fn aggregate_filter<P>(self, f: P) -> AggregateFilter<Self, P>
fn aggregate_filter<P>(self, f: P) -> AggregateFilter<Self, P>
Add an aggregate function filter Read more
Source§fn aggregate_order<O>(self, o: O) -> AggregateOrder<Self, O>where
Self: OrderAggregateDsl<O>,
fn aggregate_order<O>(self, o: O) -> AggregateOrder<Self, O>where
Self: OrderAggregateDsl<O>,
Add an aggregate function order Read more
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
Source§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Converts
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
, which can then be
downcast
into Box<dyn ConcreteType>
where ConcreteType
implements Trait
.Source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Converts
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
, which can then be further
downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.Source§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Converts
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.Source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Converts
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.Source§impl<T> DowncastSend for T
impl<T> DowncastSend for T
Source§impl<T> DowncastSync for T
impl<T> DowncastSync for T
Source§impl<T> IntoSql for T
impl<T> IntoSql for T
Source§impl<T> WindowExpressionMethods for T
impl<T> WindowExpressionMethods for T
Source§fn over(self) -> Over<Self>where
Self: OverDsl,
fn over(self) -> Over<Self>where
Self: OverDsl,
Turn a function call into a window function call Read more
Source§fn window_filter<P>(self, f: P) -> WindowFilter<Self, P>
fn window_filter<P>(self, f: P) -> WindowFilter<Self, P>
Add a filter to the current window function Read more
Source§fn partition_by<E>(self, expr: E) -> PartitionBy<Self, E>where
Self: PartitionByDsl<E>,
fn partition_by<E>(self, expr: E) -> PartitionBy<Self, E>where
Self: PartitionByDsl<E>,
Add a partition clause to the current window function Read more
Source§fn window_order<E>(self, expr: E) -> WindowOrder<Self, E>where
Self: OrderWindowDsl<E>,
fn window_order<E>(self, expr: E) -> WindowOrder<Self, E>where
Self: OrderWindowDsl<E>,
Add a order clause to the current window function Read more