Struct deltalake::datafusion::optimizer::decorrelate_predicate_subquery::DecorrelatePredicateSubquery
source · pub struct DecorrelatePredicateSubquery {}
Expand description
Optimizer rule for rewriting predicate(IN/EXISTS) subquery to left semi/anti joins
Implementations§
source§impl DecorrelatePredicateSubquery
impl DecorrelatePredicateSubquery
pub fn new() -> DecorrelatePredicateSubquery
Trait Implementations§
source§impl Default for DecorrelatePredicateSubquery
impl Default for DecorrelatePredicateSubquery
source§fn default() -> DecorrelatePredicateSubquery
fn default() -> DecorrelatePredicateSubquery
Returns the “default value” for a type. Read more
source§impl OptimizerRule for DecorrelatePredicateSubquery
impl OptimizerRule for DecorrelatePredicateSubquery
source§fn try_optimize(
&self,
plan: &LogicalPlan,
config: &dyn OptimizerConfig
) -> Result<Option<LogicalPlan>, DataFusionError>
fn try_optimize( &self, plan: &LogicalPlan, config: &dyn OptimizerConfig ) -> Result<Option<LogicalPlan>, DataFusionError>
Try and rewrite
plan
to an optimized form, returning None if the plan cannot be
optimized by this rule.source§fn apply_order(&self) -> Option<ApplyOrder>
fn apply_order(&self) -> Option<ApplyOrder>
How should the rule be applied by the optimizer? See comments on
ApplyOrder
for details. Read moreAuto Trait Implementations§
impl Freeze for DecorrelatePredicateSubquery
impl RefUnwindSafe for DecorrelatePredicateSubquery
impl Send for DecorrelatePredicateSubquery
impl Sync for DecorrelatePredicateSubquery
impl Unpin for DecorrelatePredicateSubquery
impl UnwindSafe for DecorrelatePredicateSubquery
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 moreCreates a shared type from an unshared type.