[−][src]Struct datafusion::logicalplan::FunctionMeta
Logical representation of a UDF (user-defined function)
Methods
impl FunctionMeta
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pub fn new(
name: String,
args: Vec<Field>,
return_type: DataType,
function_type: FunctionType
) -> Self
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name: String,
args: Vec<Field>,
return_type: DataType,
function_type: FunctionType
) -> Self
pub fn name(&self) -> &String
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Getter for the function name
pub fn args(&self) -> &Vec<Field>
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Getter for the arg list
pub fn return_type(&self) -> &DataType
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Getter for the DataType
the function returns
pub fn function_type(&self) -> &FunctionType
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Getter for the FunctionType
Trait Implementations
impl Clone for FunctionMeta
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fn clone(&self) -> FunctionMeta
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fn clone_from(&mut self, source: &Self)
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impl Debug for FunctionMeta
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Auto Trait Implementations
impl Send for FunctionMeta
impl Sync for FunctionMeta
impl Unpin for FunctionMeta
impl UnwindSafe for FunctionMeta
impl RefUnwindSafe for FunctionMeta
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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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.
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.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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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,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> FromCast<T> for T
fn from_cast(t: T) -> T
impl<T, U> Cast<U> for T where
U: FromCast<T>,
U: FromCast<T>,
fn cast(self) -> U
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
U: TryFrom<T>,