text: select `orderkey`, `suppkey`, `quantity`, round(sum(`quantity`) over (partition by `suppkey` order by `orderkey` rows between unbounded_preceding and current_row), 5) as `total_quantity`, `extendedprice`, round(sum(`extendedprice`) over (partition by `suppkey` order by `orderkey` rows between unbounded_preceding and current_row), 5) as `total_extendedprice`, `discount`, round(avg(`discount`) over (partition by `suppkey` order by `orderkey` rows between unbounded_preceding and current_row), 5) as `avg_discount`
  from `tpch`.`tiny`.`lineitem`
  where `partkey` = 272