[][src]Struct datafusion::logicalplan::FunctionMeta

pub struct FunctionMeta { /* fields omitted */ }

Logical representation of a UDF (user-defined function)

Methods

impl FunctionMeta[src]

pub fn new(
    name: String,
    args: Vec<Field>,
    return_type: DataType,
    function_type: FunctionType
) -> Self
[src]

pub fn name(&self) -> &String[src]

Getter for the function name

pub fn args(&self) -> &Vec<Field>[src]

Getter for the arg list

pub fn return_type(&self) -> &DataType[src]

Getter for the DataType the function returns

pub fn function_type(&self) -> &FunctionType[src]

Getter for the FunctionType

Trait Implementations

impl Clone for FunctionMeta[src]

impl Debug for FunctionMeta[src]

Auto Trait Implementations

Blanket Implementations

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> From<T> for T[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> FromCast<T> for T

impl<T, U> Cast<U> for T where
    U: FromCast<T>, 

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

type Err = <U as TryFrom<T>>::Err