Struct query_projector_traits::aggregates::SimpleAggregate

pub struct SimpleAggregate {
    pub op: SimpleAggregationOp,
    pub var: Variable,
}

Fields

op: SimpleAggregationOp

var: Variable

Methods

impl SimpleAggregate

pub fn column_name(&self) -> Name

pub fn use_static_value(&self) -> bool

pub fn is_nullable(&self) -> bool

Return true if this aggregate can be NULL over 0 rows.