asterix-app/src/test/resources/optimizerts/queries/query_issue849-2.aql

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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 issue827
 * https://code.google.com/p/asterixdb/issues/detail?id=849
 * Expected Res : SUCCESS
 * Date         : 2nd Feb. 2015
 */

drop dataverse test if exists;
create dataverse test;

use dataverse test;

create type sType as closed{b : int32};
create dataset s(sType) primary key b;

insert into dataset s ({ "b" : 1});
insert into dataset s ({ "b" : 3});

for $x in dataset s
for $y in (
 for $z in {{ {"a":1, "c":1},{"a":2, "c":2},{"a":1, "c":null} }} where $x.b=$z.a
    return $z.c
)
return {"x":$x,"y":$y}