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

pub enum Distribution {
    UnspecifiedDistribution,
    SinglePartition,
    HashPartitioned(Vec<Arc<dyn PhysicalExpr>>),
}

Expand description

Distribution schemes

Variants

UnspecifiedDistribution

Unspecified distribution

SinglePartition

A single partition is required

HashPartitioned(Vec<Arc<dyn PhysicalExpr>>)

Requires children to be distributed in such a way that the same values of the keys end up in the same partition

Tuple Fields of HashPartitioned

0: Vec<Arc<dyn PhysicalExpr>>

Trait Implementations

[src]

impl Clone for Distribution

[src]

fn clone(&self) -> Distribution

Returns a copy of the value. Read more

1.0.0[src]

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

[src]

impl Debug for Distribution

[src]

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl !RefUnwindSafe for Distribution

impl Send for Distribution

impl Sync for Distribution

impl Unpin for Distribution

impl !UnwindSafe for Distribution

Blanket Implementations

[src]

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

[src]

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

[src]

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

[src]

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

[src]

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

[src]

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

[src]

impl<T> From<T> for T

[src]

pub fn from(t: T) -> T

Performs the conversion.

[src]

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

[src]

pub fn into(self) -> U

Performs the conversion.

[src]

impl<T> Same<T> for T

type Output = T

Should always be Self

[src]

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

[src]

pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

[src]

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

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

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

[src]

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

type Error = Infallible

The type returned in the event of a conversion error.

[src]

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

Performs the conversion.

[src]

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

type Error = >::Error

The type returned in the event of a conversion error.

[src]

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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

Variants

Tuple Fields of HashPartitioned

Trait Implementations

impl Clone for Distribution

fn clone(&self) -> Distribution

fn clone_from(&mut self, source: &Self)

impl Debug for Distribution

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

Auto Trait Implementations

impl !RefUnwindSafe for Distribution

impl Send for Distribution

impl Sync for Distribution

impl Unpin for Distribution

impl !UnwindSafe for Distribution

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where
T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

pub fn vzip(self) -> V

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

Variants

Tuple Fields of HashPartitioned

Trait Implementations

impl Clone for Distribution

fn clone(&self) -> Distribution

fn clone_from(&mut self, source: &Self)

impl Debug for Distribution

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

Auto Trait Implementations

impl !RefUnwindSafe for Distribution

impl Send for Distribution

impl Sync for Distribution

impl Unpin for Distribution

impl !UnwindSafe for Distribution

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

pub fn vzip(self) -> V

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

impl<T> ToOwned for T where
T: Clone,

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

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

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