asterix-benchmarks/src/main/resources/tpc-h/queries/q10_returned_item.3.query.aql

use dataverse tpch;

for $locn in (
  for $l in dataset('LineItem')
  for $ocn in (
    for $o in dataset('Orders')
    for $c in dataset('Customer')
    where $c.c_custkey = $o.o_custkey and $o.o_orderdate >= '1993-10-01'
      and $o.o_orderdate < '1994-01-01'
    for $n in dataset('Nation')
    where $c.c_nationkey = $n.n_nationkey
    return {
      "c_custkey": $c.c_custkey, 
      "c_name": $c.c_name,
      "c_acctbal": $c.c_acctbal, 
      "n_name": $n.n_name, 
      "c_address": $c.c_address, 
      "c_phone": $c.c_phone, 
      "c_comment": $c.c_comment,
      "o_orderkey": $o.o_orderkey
    }
  )
  where $l.l_orderkey = $ocn.o_orderkey and $l.l_returnflag = 'R'
  return {
    "c_custkey": $ocn.c_custkey, 
    "c_name": $ocn.c_name,
    "c_acctbal": $ocn.c_acctbal, 
    "n_name": $ocn.n_name, 
    "c_address": $ocn.c_address, 
    "c_phone": $ocn.c_phone, 
    "c_comment": $ocn.c_comment,
    "l_extendedprice": $l.l_extendedprice,
    "l_discount": $l.l_discount
  }
)
group by $c_custkey:=$locn.c_custkey, 
    $c_name:=$locn.c_name, 
    $c_acctbal:=$locn.c_acctbal, $c_phone:=$locn.c_phone, 
    $n_name:=$locn.n_name, $c_address:=$locn.c_address, $c_comment:=$locn.c_comment
    with $locn
let $revenue := sum(for $i in $locn return $i.l_extendedprice * (1 - $i.l_discount))
order by $revenue desc
limit 20
return {
  "c_custkey": $c_custkey, 
  "c_name": $c_name,
  "revenue": $revenue,
  "c_acctbal": $c_acctbal, 
  "n_name": $n_name, 
  "c_address": $c_address, 
  "c_phone": $c_phone, 
  "c_comment": $c_comment
}