Function aggregation_function_signatures

crates/gitql-std/src/aggregation.rs:50–165

()

}

pub fn aggregation_function_signatures() -> HashMap<&'static str, Signature> {
    let mut map: HashMap<&'static str, Signature> = HashMap::new();
    map.insert(
        "max",
        Signature {
            parameters: vec![Box::new(VariantType {
                variants: vec![
                    Box::new(IntType),
                    Box::new(FloatType),
                    Box::new(TextType),
                    Box::new(DateType),
                    Box::new(TimeType),
                    Box::new(DateTimeType),
                ],
            })],
            return_type: Box::new(DynamicType {
                function: first_element_type,
            }),
        },
    );
    map.insert(
        "min",
        Signature {
            parameters: vec![Box::new(VariantType {
                variants: vec![
                    Box::new(IntType),
                    Box::new(FloatType),
                    Box::new(TextType),
                    Box::new(DateType),
                    Box::new(TimeType),
                    Box::new(DateTimeType),
                ],
            })],
            return_type: Box::new(DynamicType {
                function: first_element_type,
            }),
        },
    );
    map.insert(
        "sum",
        Signature {
            parameters: vec![Box::new(IntType)],
            return_type: Box::new(IntType),
        },
    );
    map.insert(
        "avg",
        Signature {
            parameters: vec![Box::new(IntType)],
            return_type: Box::new(IntType),
        },
    );
    map.insert(
        "count",
        Signature {
            parameters: vec![Box::new(OptionType {
                base: Some(Box::new(AnyType)),
            })],