-- Single-row UPDATE for T5 (single-row mutations test). -- Updates l_discount and l_extendedprice on both lineitems inserted by -- single_row_insert.sql. Uses a 1-row OLD TABLE / NEW TABLE transition -- per statement, targeting the IVM UPDATE delta path. UPDATE lineitem SET l_discount = 0.07, l_extendedprice = l_extendedprice * 1.05 WHERE l_orderkey = 9999991