pub struct QueryOptimizer { /* private fields */ }Expand description
Query optimizer with multiple passes
Implementations§
Source§impl QueryOptimizer
impl QueryOptimizer
Sourcepub fn new() -> QueryOptimizer
pub fn new() -> QueryOptimizer
Create a new optimizer with default passes
Sourcepub fn add_pass(&mut self, pass: Box<dyn OptimizationPass>)
pub fn add_pass(&mut self, pass: Box<dyn OptimizationPass>)
Add a custom optimization pass
Sourcepub fn optimize(&self, query: QueryExpr) -> (QueryExpr, Vec<String>)
pub fn optimize(&self, query: QueryExpr) -> (QueryExpr, Vec<String>)
Optimize a query expression
Sourcepub fn optimize_with_hints(
&self,
query: QueryExpr,
hints: &OptimizationHints,
) -> QueryExpr
pub fn optimize_with_hints( &self, query: QueryExpr, hints: &OptimizationHints, ) -> QueryExpr
Optimize with hints
Trait Implementations§
Source§impl Default for QueryOptimizer
impl Default for QueryOptimizer
Source§fn default() -> QueryOptimizer
fn default() -> QueryOptimizer
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for QueryOptimizer
impl !RefUnwindSafe for QueryOptimizer
impl Send for QueryOptimizer
impl Sync for QueryOptimizer
impl Unpin for QueryOptimizer
impl UnsafeUnpin for QueryOptimizer
impl !UnwindSafe for QueryOptimizer
Blanket Implementations§
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> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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 moreSource§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
Source§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T in a tonic::Request