Struct transform::fusion::top_k::TopK [−][src]
pub struct TopK;
Expand description
Fuses a sequence of TopK
operators in to one TopK
operator if
they happen to share the same grouping and ordering key.
Implementations
Fuses a sequence of TopK
operators in to one TopK
operator.
Trait Implementations
fn transform(
&self,
relation: &mut MirRelationExpr,
_: TransformArgs<'_>
) -> Result<(), TransformError>
fn transform(
&self,
relation: &mut MirRelationExpr,
_: TransformArgs<'_>
) -> Result<(), TransformError>
Transform a relation into a functionally equivalent relation.
Auto Trait Implementations
impl RefUnwindSafe for TopK
impl UnwindSafe for TopK
Blanket Implementations
Mutably borrows from an owned value. Read more
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more