Struct datafusion::execution::physical_plan::udf::ScalarFunction

pub struct ScalarFunction {
    pub name: String,
    pub args: Vec<Field>,
    pub return_type: DataType,
    pub fun: ScalarUdf,
}

Scalar UDF Expression

Fields

name: String

Function name

args: Vec<Field>

Function argument meta-data

return_type: DataType

Return type

fun: ScalarUdf

UDF implementation

Implementations

impl ScalarFunction

pub fn new(
    name: &str,
    args: Vec<Field>,
    return_type: DataType,
    fun: ScalarUdf
) -> Self

Create a new ScalarFunction

Trait Implementations

impl Clone for ScalarFunction

fn clone(&self) -> ScalarFunction

Returns a copy of the value.

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

Performs copy-assignment from source.