asterix-app/src/test/resources/optimizerts/queries/query-issue810-2.aql

/*
 * Description  : This test case is to verify the fix for issue810
 * https://code.google.com/p/asterixdb/issues/detail?id=810
 * Expected Res : SUCCESS
 * Date         : 24th Nov. 2014
 */

drop dataverse tpch if exists;
create dataverse tpch;

use dataverse tpch;

create type LineItemType as closed {
  l_orderkey: int32,
  l_partkey: int32,
  l_suppkey: int32,
  l_linenumber: int32,
  l_quantity: double,
  l_extendedprice: double,
  l_discount: double,
  l_tax: double,
  l_returnflag: string,
  l_linestatus: string,
  l_shipdate: string,
  l_commitdate: string,
  l_receiptdate: string,
  l_shipinstruct: string,
  l_shipmode: string,
  l_comment: string
}

create dataset LineItem(LineItemType)
  primary key l_orderkey, l_linenumber;


for $l in dataset('LineItem')
where $l.l_shipdate <= '1998-09-02'
/*+ hash*/
group by $l_returnflag := $l.l_returnflag,
         $l_linestatus := $l.l_linestatus
  with $l
 let $expensives := for $i in $l where ($i.l_discount<=0.05) return $i.l_discount
 let $cheaps := for $i in $l where ($i.l_discount>0.05) return $i
 let $charges := for $i in $l return $i.l_extendedprice * (1 - $i.l_discount) * (1 + $i.l_tax)
 let $disc_prices := for $i in $l return $i.l_extendedprice * (1 - $i.l_discount)
order by $l_returnflag, $l_linestatus
return {
  "l_returnflag": $l_returnflag,
  "l_linestatus": $l_linestatus,
  "count_cheaps": count($cheaps),
  "avg_expensive_discounts": avg($expensives),
  "sum_disc_prices": sum($disc_prices),
  "total_charges": sum($charges)
}