[−][src]Enum datafusion::physical_plan::Partitioning

pub enum Partitioning {
    RoundRobinBatch(usize),
    Hash(Vec<Arc<dyn PhysicalExpr>>, usize),
    UnknownPartitioning(usize),
}

Partitioning schemes supported by operators.

Variants

RoundRobinBatch(usize)

Allocate batches using a round-robin algorithm and the specified number of partitions

Hash(Vec<Arc<dyn PhysicalExpr>>, usize)

Allocate rows based on a hash of one of more expressions and the specified number of partitions This partitioning scheme is not yet fully supported. See ARROW-11011

UnknownPartitioning(usize)

Unknown partitioning scheme with a known number of partitions

Implementations

`impl Partitioning`[src]

`pub fn partition_count(&self) -> usize`[src]

Returns the number of partitions in this partitioning scheme

Trait Implementations

`impl Clone for Partitioning`[src]

`fn clone(&self) -> Partitioning`[src]

`pub fn clone_from(&mut self, source: &Self)`1.0.0[src]

`impl Debug for Partitioning`[src]

`fn fmt(&self, f: &mut Formatter<'_>) -> Result`[src]

Auto Trait Implementations

`impl !RefUnwindSafe for Partitioning`[src]

`impl Send for Partitioning`[src]

`impl Sync for Partitioning`[src]

`impl Unpin for Partitioning`[src]

`impl !UnwindSafe for Partitioning`[src]

Blanket Implementations

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

`pub fn type_id(&self) -> TypeId`[src]

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

`pub fn borrow(&self) -> &T`[src]

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

`pub fn borrow_mut(&mut self) -> &mut T`[src]

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

`pub fn from(t: T) -> T`[src]

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

`pub fn into(self) -> U`[src]

`impl<T> Pointable for T`

`pub const ALIGN: usize`

`type Init = T`

The type for initializers.

`pub unsafe fn init(init: <T as Pointable>::Init) -> usize`

`pub unsafe fn deref<'a>(ptr: usize) -> &'a T`

`pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T`

`pub unsafe fn drop(ptr: usize)`

`impl<T> Same<T> for T`

`type Output = T`

Should always be Self

`impl<T> ToOwned for T where T: Clone,` [src]

`type Owned = T`

The resulting type after obtaining ownership.

`pub fn to_owned(&self) -> T`[src]

`pub fn clone_into(&self, target: &mut T)`[src]

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

`type Error = Infallible`

The type returned in the event of a conversion error.

`pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`[src]

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

`type Error = >::Error`

The type returned in the event of a conversion error.

[−][src]Enum datafusion::physical_plan::Partitioning

Variants

Implementations

impl Partitioning[src]

pub fn partition_count(&self) -> usize[src]

Trait Implementations

impl Clone for Partitioning[src]

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

pub fn clone_from(&mut self, source: &Self)1.0.0[src]

impl Debug for Partitioning[src]

fn fmt(&self, f: &mut Formatter<'_>) -> Result[src]

Auto Trait Implementations

impl !RefUnwindSafe for Partitioning[src]

impl Send for Partitioning[src]

impl Sync for Partitioning[src]

impl Unpin for Partitioning[src]

impl !UnwindSafe for Partitioning[src]

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

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

pub fn borrow(&self) -> &T[src]

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

pub fn borrow_mut(&mut self) -> &mut T[src]

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

pub fn from(t: T) -> T[src]

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

pub fn into(self) -> U[src]

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone, [src]

type Owned = T

pub fn to_owned(&self) -> T[src]

pub fn clone_into(&self, target: &mut T)[src]

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

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

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

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

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

pub fn vzip(self) -> V