pub struct WithCacheStrategy<DB, Statement>where
DB: Backend,{ /* private fields */ }
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Expand description
Cache all (safe) statements for as long as connection is alive.
Trait Implementations§
Source§impl<DB, Statement> Default for WithCacheStrategy<DB, Statement>where
DB: Backend,
impl<DB, Statement> Default for WithCacheStrategy<DB, Statement>where
DB: Backend,
Source§impl<DB, Statement> StatementCacheStrategy<DB, Statement> for WithCacheStrategy<DB, Statement>where
DB: Backend + 'static,
StatementCacheKey<DB>: Hash + Eq,
DB::TypeMetadata: Send + Clone,
DB::QueryBuilder: Default,
Statement: Send + 'static,
impl<DB, Statement> StatementCacheStrategy<DB, Statement> for WithCacheStrategy<DB, Statement>where
DB: Backend + 'static,
StatementCacheKey<DB>: Hash + Eq,
DB::TypeMetadata: Send + Clone,
DB::QueryBuilder: Default,
Statement: Send + '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
Auto Trait Implementations§
impl<DB, Statement> Freeze for WithCacheStrategy<DB, Statement>
impl<DB, Statement> RefUnwindSafe for WithCacheStrategy<DB, Statement>
impl<DB, Statement> Send for WithCacheStrategy<DB, Statement>
impl<DB, Statement> Sync for WithCacheStrategy<DB, Statement>
impl<DB, Statement> Unpin for WithCacheStrategy<DB, Statement>
impl<DB, Statement> UnwindSafe for WithCacheStrategy<DB, Statement>
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