| use dataverse tpch; |
| |
| for $l in dataset('LineItem') |
| for $p in dataset('Part') |
| where $l.l_partkey = $p.p_partkey |
| and $l.l_shipdate >= '1995-09-01' |
| and $l.l_shipdate < '1995-10-01' |
| let $lp := { |
| "l_extendedprice": $l.l_extendedprice, |
| "l_discount": $l.l_discount, |
| "p_type": $p.p_type |
| } |
| group by $t:=1 with $lp |
| return 100.00 * sum( |
| for $i in $lp |
| return switch-case(like($i.p_type, 'PROMO%'), |
| true, $i.l_extendedprice*(1-$i.l_discount), |
| false, 0.0) |
| ) / sum(for $i in $lp return $i.l_extendedprice * (1 - $i.l_discount) |
| ) |
