Struct AggregationDef 

pub struct AggregationDef {
    pub name: String,
    pub expression: Option<Box<Expr>>,
    pub distinct: bool,
    pub filter: Option<Conditions>,
    pub args: Option<Vec<Expr>>,
    pub order_by: Option<Vec<OrderByDef>>,
}

Aggregate function definition.

Fields

name: String

expression: Option<Box<Expr>>

distinct: bool

filter: Option<Conditions>

args: Option<Vec<Expr>>

order_by: Option<Vec<OrderByDef>>

Implementations

impl AggregationDef

pub fn new(name: impl Into<String>, expr: Expr) -> Self

pub fn count_all() -> Self

pub fn distinct(self) -> Self

pub fn filter(self, cond: Conditions) -> Self

pub fn order_by(self, order: Vec<OrderByDef>) -> Self

Trait Implementations

impl Clone for AggregationDef

fn clone(&self) -> AggregationDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AggregationDef

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

Formats the value using the given formatter.