tttjjj/elt_bench huggingface dataset:
l_shipdate: ship date of line item
l_orderkey: order key number of line item
l_discount: discount of line item
l_extendedprice: extended price of line item
l_suppkey: suppkey of line item
l_quantity: quantity of line item
l_returnflag: return flag of line item
l_partkey: part key of line item
l_linestatus: line status of line item
l_tax: tax of line item
l_commitdate: commit date of line item
l_receiptdate: receipt date of line item
l_shipmode: ship mode of line item
l_linenumber: unique id number identifying the line item
l_shipinstruct: ship instruct of line item
l_comment: comment of line item