asterix-app/src/test/resources/optimizerts/queries/union/query-ASTERIXDB-1047.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.
 */
/**
 * This query is to verify the fix of ASTERIXDB-1047.
 */

drop dataverse test if exists;
create dataverse test;
use dataverse test;

create type DBLPType as open {
  id: int64,
  dblpid: string,
  title: string,
  authors: string,
  misc: string
}

create dataset DBLP(DBLPType) primary key id;


(for $d in dataset DBLP where $d.id = 1 return $d)
  union
(for $d in dataset DBLP where $d.authors = "Alfred V. Aho John E. Hopcroft Jeffrey D. Ullman" return $d);