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

pub enum ColumnarValue {
    Array(ArrayRef),
    Scalar(ScalarValue),
}

Expand description

Represents the result from an expression

Variants

Array

Array of values

Tuple Fields of Array

0: ArrayRef

Scalar

A single value

Tuple Fields of Scalar

0: ScalarValue

Implementations

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impl ColumnarValue

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pub fn into_array(self, num_rows: usize) -> ArrayRef

Convert a columnar value into an ArrayRef

Trait Implementations

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impl Clone for ColumnarValue

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fn clone(&self) -> ColumnarValue

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl From<&'_ RecordBatch> for ColumnarValue

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fn from(batch: &RecordBatch) -> Self

Performs the conversion.

Auto Trait Implementations

impl !RefUnwindSafe for ColumnarValue

impl Send for ColumnarValue

impl Sync for ColumnarValue

impl Unpin for ColumnarValue

impl !UnwindSafe for ColumnarValue

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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

Variants

Tuple Fields of Array

Tuple Fields of Scalar

Implementations

impl ColumnarValue

pub fn into_array(self, num_rows: usize) -> ArrayRef

Trait Implementations

impl Clone for ColumnarValue

fn clone(&self) -> ColumnarValue

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

impl From<&'_ RecordBatch> for ColumnarValue

fn from(batch: &RecordBatch) -> Self

Auto Trait Implementations

impl !RefUnwindSafe for ColumnarValue

impl Send for ColumnarValue

impl Sync for ColumnarValue

impl Unpin for ColumnarValue

impl !UnwindSafe for ColumnarValue

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>,