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

/*
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
/*
 * Description     : This test case is to verify the fix for issue810
 * https://code.google.com/p/asterixdb/issues/detail?id=810
 * Expected Result : Success
 * Date            : 16th 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 $cheap := for $m in $l where ($m.l_discount>0.05) return $m
 let $expensive := for $a in $l where ($a.l_discount<=0.05) return $a
order by $l_returnflag, $l_linestatus
return {
  "l_returnflag": $l_returnflag,
  "l_linestatus": $l_linestatus,
  "count_cheaps": count($cheap),
  "count_expensives": count($expensive)
}