/*
 * 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.
 */

drop  database test if exists;
create  database test;

use test;


create type test.DBLPType as
 closed {
  id : int64,
  dblpid : string,
  title : string,
  authors : string,
  misc : string
}

create type test.CSXType as
 closed {
  id : int64,
  csxid : string,
  title : string,
  authors : string,
  misc : string
}

create  table DBLP(DBLPType) primary key id;

create  table CSX(CSXType) primary key id;

SELECT a.id AS aid, b.id AS bid
FROM DBLP AS a
LEFT OUTER UNNEST
(
  SELECT VALUE b
  FROM CSX AS b
  WHERE a.authors = b.authors
) AS b
ORDER BY a.id
;