grafbase_sql_ast/ast/function/
sum.rs

1use crate::ast::{Expression, Function, FunctionType};
2
3/// A represention of the `SUM` function in the database.
4#[derive(Debug, Clone, PartialEq)]
5pub struct Sum<'a> {
6    pub(crate) expr: Box<Expression<'a>>,
7}
8
9/// Calculates the sum value of a numeric column.
10pub fn sum<'a, E>(expr: E) -> Function<'a>
11where
12    E: Into<Expression<'a>>,
13{
14    let fun = Sum {
15        expr: Box::new(expr.into()),
16    };
17
18    fun.into()
19}
20
21impl<'a> From<Sum<'a>> for Function<'a> {
22    fn from(value: Sum<'a>) -> Self {
23        Self {
24            typ_: FunctionType::Sum(value),
25            alias: None,
26        }
27    }
28}

grafbase_sql_ast/ast/function/sum.rs

grafbase_sql_ast/ast/function/
sum.rs