Struct GroupKey 

pub struct GroupKey {
    pub expr: Expr,
    pub output_name: String,
}

A single expression-valued GROUP BY key.

Fields

expr: Expr

output_name: String

Implementations

impl GroupKey

pub fn output_name(&self) -> String

Name of the output column this key produces. Unqualified keys keep their bare field name; qualified keys are emitted as alias.field so HAVING and downstream projections can reference them consistently.

Trait Implementations

impl Clone for GroupKey

fn clone(&self) -> GroupKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GroupKey

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

Formats the value using the given formatter.

impl PartialEq for GroupKey

fn eq(&self, other: &GroupKey) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for GroupKey