asterixdb/asterix-app/src/test/resources/optimizerts/queries/fj-dblp-csx-selflink.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    : Fuzzy join on two datasets, with a series of link join conditions.
 *                  The dataset DBLP will fuzzy join with CSX and propagate the results
 *                  with a series of linked join conditions on CSX.
 * Success        : Yes
 */
drop dataverse test if exists;

create dataverse test;

use dataverse test;

create type DBLPType as open {
  id: int32,
  dblpid: string,
  title: string,
  authors: string,
  misc: string
}

create type CSXType as open {
  id: int32,
  csxid: string,
  title: string,
  authors: string,
  misc: string
}

create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;

create dataset DBLP(DBLPType) primary key id on group1;
create dataset CSX(CSXType) primary key id on group1;

write output to asterix_nc1:'rttest/test.adm';

use dataverse test;
set import-private-functions 'true';
set simthreshold "0.5f";
for $p in dataset DBLP
for $p1 in dataset CSX
for $p2 in dataset CSX
for $p3 in dataset CSX
for $p4 in dataset CSX
where word-tokens($p.title) ~= word-tokens($p1.title)
and word-tokens($p2.title) ~= word-tokens($p3.title)
and gram-tokens($p1.authors, 3, false) ~= gram-tokens($p2.authors, 2, false)
and gram-tokens($p3.misc, 3, false) ~= gram-tokens($p4.misc, 3, false)
return { "pid":$p.id, "p1id":$p1.id, "p2id": $p2.id, "p3id": $p3.id, "p4id": $p4.id }