Struct datafusion::physical_plan::expressions::IsNullExpr[−][src]

pub struct IsNullExpr { /* fields omitted */ }

IS NULL expression

Implementations

`impl IsNullExpr`[src]

`pub fn new(arg: Arc<dyn PhysicalExpr>) -> Self`[src]

Create new not expression

`pub fn arg(&self) -> &Arc<dyn PhysicalExpr>`[src]

Get the input expression

Trait Implementations

`impl Debug for IsNullExpr`[src]

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

`impl Display for IsNullExpr`[src]

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

`impl PhysicalExpr for IsNullExpr`[src]

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

Return a reference to Any that can be used for downcasting

`fn data_type(&self, _input_schema: &Schema) -> Result<DataType>`[src]

`fn nullable(&self, _input_schema: &Schema) -> Result<bool>`[src]

`fn evaluate(&self, batch: &RecordBatch) -> Result<ColumnarValue>`[src]

Auto Trait Implementations

`impl !RefUnwindSafe for IsNullExpr`

`impl Send for IsNullExpr`

`impl Sync for IsNullExpr`

`impl Unpin for IsNullExpr`

`impl !UnwindSafe for IsNullExpr`

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> Same<T> for T`

`type Output = T`

Should always be Self

`impl<T> ToString for T where T: Display + ?Sized,` [src]

`pub default fn to_string(&self) -> String`[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.

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

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

`pub fn vzip(self) -> V`

Struct datafusion::physical_plan::expressions::IsNullExpr⎘[−][src]

Implementations

impl IsNullExpr[src]

pub fn new(arg: Arc<dyn PhysicalExpr>) -> Self[src]

pub fn arg(&self) -> &Arc<dyn PhysicalExpr>[src]

Trait Implementations

impl Debug for IsNullExpr[src]

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

impl Display for IsNullExpr[src]

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

impl PhysicalExpr for IsNullExpr[src]

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

fn data_type(&self, _input_schema: &Schema) -> Result<DataType>[src]

fn nullable(&self, _input_schema: &Schema) -> Result<bool>[src]

fn evaluate(&self, batch: &RecordBatch) -> Result<ColumnarValue>[src]

Auto Trait Implementations

impl !RefUnwindSafe for IsNullExpr

impl Send for IsNullExpr

impl Sync for IsNullExpr

impl Unpin for IsNullExpr

impl !UnwindSafe for IsNullExpr

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> Same<T> for T

type Output = T

impl<T> ToString for T where T: Display + ?Sized, [src]

pub default fn to_string(&self) -> String[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

Struct datafusion::physical_plan::expressions::IsNullExpr[−][src]

`impl IsNullExpr`[src]

`pub fn new(arg: Arc<dyn PhysicalExpr>) -> Self`[src]

`pub fn arg(&self) -> &Arc<dyn PhysicalExpr>`[src]

`impl Debug for IsNullExpr`[src]

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

`impl Display for IsNullExpr`[src]

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

`impl PhysicalExpr for IsNullExpr`[src]

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

`fn data_type(&self, _input_schema: &Schema) -> Result<DataType>`[src]

`fn nullable(&self, _input_schema: &Schema) -> Result<bool>`[src]

`fn evaluate(&self, batch: &RecordBatch) -> Result<ColumnarValue>`[src]

`impl !RefUnwindSafe for IsNullExpr`

`impl Send for IsNullExpr`

`impl Sync for IsNullExpr`

`impl Unpin for IsNullExpr`

`impl !UnwindSafe for IsNullExpr`

`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> Same<T> for T`

`type Output = T`

`impl<T> ToString for T where T: Display + ?Sized,` [src]

`pub default fn to_string(&self) -> String`[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`