asterix-app/src/test/resources/nontagged/custord/local/join-02.aql

use dataverse demo1112;

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

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


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

declare nodegroup group1 on nc1, nc2;

set format "edu.uci.ics.asterix.runtime.formats.nontagged.NonTaggedDataFormat";

declare dataset Customers(CustomerType) 
  primary key cid on group1;
declare dataset Orders(OrderType)
  primary key oid on group1;

write output to nc1:"/home/yasser/Dropbox/Research/data/results/result_join_2.adm";

for $c in dataset('Customers')
for $o in dataset('Orders')
let $d := [$o.oid, $c.age, $o.cid]
// let $d := [$c.age, $o.oid, $o.cid] try this one
where $c.cid = $o.cid
//return {"cust":$c.name } 
return {"cust":$c.name, "list": $d } 

//return {"cust":$c.name, "custage": d[0], "orderid":d[1], "ordertotal":d[2]}