[][src]Struct transform::predicate_pushdown::PredicatePushdown

pub struct PredicatePushdown;

Pushes predicates down through other operators.

Implementations

impl PredicatePushdown[src]

pub fn dataflow_transform(
    &self,
    relation: &mut RelationExpr,
    get_predicates: &mut HashMap<Id, HashSet<ScalarExpr>>
)
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Pushes predicates down through the operator tree and extracts The ones that should be pushed down to the next dataflow object

Trait Implementations

impl Debug for PredicatePushdown[src]

impl Transform for PredicatePushdown[src]

Auto Trait Implementations

impl RefUnwindSafe for PredicatePushdown

impl Send for PredicatePushdown

impl Sync for PredicatePushdown

impl Unpin for PredicatePushdown

impl UnwindSafe for PredicatePushdown

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> From<T> for T[src]

impl<T> Instrument for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> Same<T> for T[src]

type Output = T

Should always be Self

impl<T> Sealed<T> for T where
    T: ?Sized
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impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>, 
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