| use dataverse tpch; | |
| declare function tmp(){ | |
| for $l in dataset('LineItem') | |
| group by $l_partkey := $l.l_partkey with $l | |
| return { | |
| "t_partkey": $l_partkey, | |
| "t_avg_quantity": 0.2 * avg(for $i in $l return $i.l_quantity) | |
| } | |
| } | |
| sum( | |
| for $l in dataset('LineItem') | |
| for $p in dataset('Part') | |
| where $p.p_partkey = $l.l_partkey | |
| and $p.p_brand = 'Brand#23' | |
| and $p.p_container = 'MED BOX' | |
| for $t in tmp() | |
| where $l.l_partkey = $t.t_partkey | |
| and $l.l_quantity < $t.t_avg_quantity | |
| return $l.l_extendedprice | |
| )/7.0 | |