[][src]Struct datafusion::physical_plan::hash_aggregate::HashAggregateExec

pub struct HashAggregateExec { /* fields omitted */ }

Hash aggregate execution plan

Implementations

impl HashAggregateExec[src]

pub fn try_new(
    mode: AggregateMode,
    group_expr: Vec<(Arc<dyn PhysicalExpr>, String)>,
    aggr_expr: Vec<Arc<dyn AggregateExpr>>,
    input: Arc<dyn ExecutionPlan>
) -> Result<Self>
[src]

Create a new hash aggregate execution plan

pub fn mode(&self) -> &AggregateMode[src]

Aggregation mode (full, partial)

pub fn group_expr(&self) -> &[(Arc<dyn PhysicalExpr>, String)][src]

Grouping expressions

pub fn aggr_expr(&self) -> &[Arc<dyn AggregateExpr>][src]

Aggregate expressions

pub fn input(&self) -> &Arc<dyn ExecutionPlan>[src]

Input plan

Trait Implementations

impl Debug for HashAggregateExec[src]

impl ExecutionPlan for HashAggregateExec[src]

fn as_any(&self) -> &dyn Any[src]

Return a reference to Any that can be used for downcasting

fn output_partitioning(&self) -> Partitioning[src]

Get the output partitioning of this plan

Auto Trait Implementations

Blanket Implementations

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

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

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

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

impl<T> Pointable for T

type Init = T

The type for initializers.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

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>,