asterix-app/src/test/resources/fuzzyjoin/amerix/50-self-join-dblp.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
 *
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 * software distributed under the License is distributed on an
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 * KIND, either express or implied.  See the License for the
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 */
use dataverse fuzzy1;

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

declare nodegroup group1 on asterix_nc1, asterix_nc2;

declare dataset DBLP(DBLPType) 
  primary key id on group1;

write output to asterix_nc1:"/tmp/amerix.adm";

for   $paperR in dataset('DBLP')
for   $paperS in dataset('DBLP')
where $paperR.title ~= $paperS.title
return { 'R': $paperR,
         'S': $paperS }