Function function_args_exprs

nodedb-sql/src/planner/aggregate.rs:328–340

Extract the positional expression arguments from a function call.

(f: &ast::Function)

/// Extract the positional expression arguments from a function call.
fn function_args_exprs(f: &ast::Function) -> Vec<&ast::Expr> {
    match &f.args {
        ast::FunctionArguments::List(list) => list
            .args
            .iter()
            .filter_map(|a| match a {
                ast::FunctionArg::Unnamed(ast::FunctionArgExpr::Expr(e)) => Some(e),
                _ => None,
            })
            .collect(),
        _ => Vec::new(),
    }
}

/// Return the simple lowercase name of a function (unqualified part only).
fn normalize_function_name(f: &ast::Function) -> String {