[][src]Struct datafusion::execution::aggregate::AggregateRelation

pub struct AggregateRelation { /* fields omitted */ }

An aggregate relation is made up of zero or more grouping expressions and one or more aggregate expressions

Methods

impl AggregateRelation
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pub fn new(
    schema: Arc<Schema>,
    input: Rc<RefCell<dyn Relation>>,
    group_expr: Vec<RuntimeExpr>,
    aggr_expr: Vec<RuntimeExpr>
) -> Self
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Trait Implementations

impl Relation for AggregateRelation
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Auto Trait Implementations

Blanket Implementations

impl<T> From for T
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impl<T, U> Into for T where
    U: From<T>, 
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impl<T, U> TryFrom for T where
    T: From<U>, 
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type Error = !

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

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

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

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