Enum AggregateArg 

pub enum AggregateArg {
    Star,
    Column(String),
}

What the aggregate is fed: * (only valid for COUNT) or a bare column.

Variants

Star

Column(String)

Trait Implementations

impl Clone for AggregateArg

fn clone(&self) -> AggregateArg

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AggregateArg

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

Formats the value using the given formatter.

impl PartialEq for AggregateArg

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for AggregateArg

impl StructuralPartialEq for AggregateArg