Enum ShuffleKey 

pub enum ShuffleKey {
    Column(String),
    Columns(Vec<String>),
    Expression(String),
}

Shuffle key for determining partition assignment.

Variants

Column(String)

Shuffle by a single column.

Columns(Vec<String>)

Shuffle by multiple columns.

Expression(String)

Shuffle by a computed expression.

Trait Implementations

impl Clone for ShuffleKey

fn clone(&self) -> ShuffleKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ShuffleKey

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

Formats the value using the given formatter.