Function apply_v_rank

nodedb-query/src/window/value_eval.rs:228–257

(
    rows: &mut [Vec<Value>],
    indices: &[usize],
    column_index: &HashMap<String, usize>,
    spec: &WindowFuncSpec,
    write_col: usize,
)

}

fn apply_v_rank(
    rows: &mut [Vec<Value>],
    indices: &[usize],
    column_index: &HashMap<String, usize>,
    spec: &WindowFuncSpec,
    write_col: usize,
) {
    if indices.is_empty() {
        return;
    }
    let mut current_rank = 1usize;
    set_cell(rows, indices[0], write_col, Value::Integer(1));
    for pos in 1..indices.len() {
        if !order_keys_equal_v(
            rows,
            indices[pos - 1],
            indices[pos],
            column_index,
            &spec.order_by,
        ) {
            current_rank = pos + 1;
        }
        set_cell(
            rows,
            indices[pos],
            write_col,
            Value::Integer(current_rank as i64),
        );
    }
}

fn apply_v_dense_rank(
    rows: &mut [Vec<Value>],