[][src]Struct transform::column_knowledge::ColumnKnowledge

pub struct ColumnKnowledge;

Harvest and act upon per-column information.


impl ColumnKnowledge[src]

pub fn transform(&self, expr: &mut RelationExpr) -> Result<(), TransformError>[src]

Transforms an expression through accumulated knowledge.

Trait Implementations

impl Debug for ColumnKnowledge[src]

impl Transform for ColumnKnowledge[src]

Auto Trait Implementations

impl RefUnwindSafe for ColumnKnowledge

impl Send for ColumnKnowledge

impl Sync for ColumnKnowledge

impl Unpin for ColumnKnowledge

impl UnwindSafe for ColumnKnowledge

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized

impl<T> Borrow<T> for T where
    T: ?Sized

impl<T> BorrowMut<T> for T where
    T: ?Sized

impl<T> From<T> for T[src]

impl<T> Instrument for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 

impl<T> Same<T> for T[src]

type Output = T

Should always be Self

impl<T> Sealed<T> for T where
    T: ?Sized

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 

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>,