Struct transform::fusion::map::Map [−][src]
pub struct Map;
Expand description
Fuses a sequence of Map
operators in to one Map
operator.
Implementations
Fuses a sequence of Map
operators into one Map
operator.
Remove the map operator if it is empty.
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 Map
impl UnwindSafe for Map
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