Function normalize_function_name

nodedb-sql/src/planner/aggregate.rs:343–352

Return the simple lowercase name of a function (unqualified part only).

(f: &ast::Function)

/// Return the simple lowercase name of a function (unqualified part only).
fn normalize_function_name(f: &ast::Function) -> String {
    f.name
        .0
        .last()
        .map(|p| match p {
            ast::ObjectNamePart::Identifier(ident) => normalize_ident(ident),
            _ => String::new(),
        })
        .unwrap_or_default()
}

/// Extract aggregate expressions from SELECT projection.
pub fn extract_aggregates_from_projection(