Class Function

src/sql-parser/src/ast/defs/expr.rs:1283–1291

/// A function call
#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct Function<T: AstInfo> {
    pub name: T::ItemName,
    pub args: FunctionArgs<T>,
    // aggregate functions may specify e.g. `COUNT(DISTINCT X) FILTER (WHERE ...)`
    pub filter: Option<Box<Expr<T>>>,
    pub over: Option<WindowSpec<T>>,
    // aggregate functions may specify eg `COUNT(DISTINCT x)`
    pub distinct: bool,
}

impl<T: AstInfo> AstDisplay for Function<T> {
    fn fmt<W: fmt::Write>(&self, f: &mut AstFormatter<W>) {