Enum datafusion::physical_plan::Distribution
source · [−]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
Trait Implementations
sourceimpl Clone for Distribution
impl Clone for Distribution
sourcefn clone(&self) -> Distribution
fn clone(&self) -> Distribution
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. 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
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more