drop dataverse test if exists;

create dataverse test;

use dataverse test;

create type AddressType as open {
  number: int32, 
  street: string,
  city: string
}

create type CustomerType as closed {
  cid: int32, 
  name: string,
  cashBack: int32,
  age: int32?,
  address: AddressType?,
  lastorder: {
    oid: int32,
    total: float
  }
}

create type OrderType as open {
  oid: int32,
  cid: int32,
  orderstatus: string,
  orderpriority: string,
  clerk: string,
  total: float,
  items: [int32]
}

 
create external dataset Customers(CustomerType)
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/nontagged/customerData.json"),("format"="adm"));
        
create external dataset Orders(OrderType)
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/nontagged/orderData.json"),("format"="adm"));

write output to nc1:"rttest/custord_join_q_01.adm";
      
for $c in dataset('Customers')
for $o in dataset('Orders')
where $c.cid = $o.cid 
order by $c.name, $o.total
return {"cust_name":$c.name, "cust_age": $c.age, "order_total":$o.total, "orderList":[$o.oid, $o.cid]}