Function default_arg_value

nodedb-query/src/window/value_eval.rs:200–208

(spec: &WindowFuncSpec, idx: usize)

}

fn default_arg_value(spec: &WindowFuncSpec, idx: usize) -> Value {
    spec.args
        .get(idx)
        .and_then(|e| match e {
            SqlExpr::Literal(v) => Some(v.clone()),
            _ => None,
        })
        .unwrap_or(Value::Null)
}

// ── Cell write helper (pub(super) for value_agg) ──────────────────────────────