Enum GroupByItem 

pub enum GroupByItem {
    Column(String),
    Position(usize),
    Expression {
        expr: Expression,
        display_name: String,
    },
}

Represents a GROUP BY item - either a column reference or an expression

Variants

Column(String)

Simple column reference by name

Position(usize)

Positional reference like GROUP BY 1

Expression

Complex expression that needs to be evaluated

Fields

expr: Expression

The expression to evaluate

display_name: String

Display name for the result column (from alias if available)

Trait Implementations

impl Clone for GroupByItem

fn clone(&self) -> GroupByItem

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GroupByItem

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

Formats the value using the given formatter.