| use dataverse tpch; |
| |
| let $sum := sum ( |
| for $ps in dataset('Partsupp') |
| for $sn in ( |
| for $s in dataset('Supplier') |
| for $n in dataset('Nation') |
| where $s.s_nationkey = $n.n_nationkey |
| and $n.n_name = 'GERMANY' |
| return { "s_suppkey": $s.s_suppkey } |
| ) |
| where $ps.ps_suppkey = $sn.s_suppkey |
| return $ps.ps_supplycost * $ps.ps_availqty |
| ) |
| for $t1 in ( |
| for $ps in dataset('Partsupp') |
| for $sn in ( |
| for $s in dataset('Supplier') |
| for $n in dataset('Nation') |
| where $s.s_nationkey = $n.n_nationkey |
| and $n.n_name = 'GERMANY' |
| return { "s_suppkey": $s.s_suppkey } |
| ) |
| where $ps.ps_suppkey = $sn.s_suppkey |
| group by $ps_partkey := $ps.ps_partkey with $ps |
| return { |
| "ps_partkey": $ps_partkey, |
| "part_value": sum(for $i in $ps return $i.ps_supplycost * $i.ps_availqty) |
| } |
| ) |
| where $t1.part_value > $sum * 0.0001 |
| order by $t1.part_value desc |
| return { |
| "partkey": $t1.ps_partkey, |
| "part_value": $t1.part_value |
| } |