[−][src]Struct datafusion::physical_plan::udf::ScalarUDF
Logical representation of a UDF.
Fields
name: String
name
signature: Signature
signature
return_type: ReturnTypeFunction
Return type
fun: ScalarFunctionImplementation
actual implementation
Implementations
impl ScalarUDF
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pub fn new(
name: &str,
signature: &Signature,
return_type: &ReturnTypeFunction,
fun: &ScalarFunctionImplementation
) -> Self
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name: &str,
signature: &Signature,
return_type: &ReturnTypeFunction,
fun: &ScalarFunctionImplementation
) -> Self
Create a new ScalarUDF
pub fn call(&self, args: Vec<Expr>) -> Expr
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creates a logical expression with a call of the UDF This utility allows using the UDF without requiring access to the registry.
Trait Implementations
impl Clone for ScalarUDF
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impl Debug for ScalarUDF
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impl PartialEq<ScalarUDF> for ScalarUDF
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Auto Trait Implementations
impl !RefUnwindSafe for ScalarUDF
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impl Send for ScalarUDF
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impl Sync for ScalarUDF
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impl Unpin for ScalarUDF
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impl !UnwindSafe for ScalarUDF
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
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,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,