Struct AggregateExpr 

pub struct AggregateExpr {
    pub func: AggFunc,
    pub input: String,
    pub alias: String,
}

Named aggregate function with an output alias.

Fields

func: AggFunc

The aggregate function kind (COUNT, SUM, …).

input: String

The column or expression being aggregated (e.g. "*", "amount").

alias: String

The output column alias (or a synthetic name when no alias is given).

Trait Implementations

impl Clone for AggregateExpr

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AggregateExpr

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

Formats the value using the given formatter.

impl PartialEq for AggregateExpr

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for AggregateExpr