Struct Aggregate 

pub struct Aggregate {
    pub function: AggregateKind,
    pub column: Option<ColumnRef>,
}

An aggregate function call such as COUNT(*) or SUM(price).

Fields

function: AggregateKind

The aggregate function.

column: Option<ColumnRef>

The aggregated column; None only for COUNT(*).

Trait Implementations

impl Clone for Aggregate

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 Aggregate

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

Formats the value using the given formatter.

impl Eq for Aggregate

impl PartialEq for Aggregate

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Aggregate