asterix-app/src/test/resources/optimizerts/queries/fj-phase2-with-hints.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.
 */
drop dataverse fuzzyjoin_078 if exists;

create dataverse fuzzyjoin_078;

use dataverse fuzzyjoin_078;

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

create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;

create dataset DBLP_fuzzyjoin_078(DBLPType) 
  primary key id on group1;

write output to asterix_nc1:'rttest/fuzzyjoin_078.adm';

    //
    // -- - Stage 2 - --
    //
    for $paperDBLP in dataset('DBLP_fuzzyjoin_078')
    let $unrankedTokensDBLP := counthashed-word-tokens($paperDBLP.title)
    let $tokensDBLP :=
        for $token in $unrankedTokensDBLP
        for $tokenRanked at $i in
            //
            // -- - Stage 1 - --
            //
            for $paper in dataset('DBLP_fuzzyjoin_078')
            for $token in counthashed-word-tokens($paper.title)
            /*+ hash */ 
            group by $tokenGroupped := $token with $paper
            /*+ inmem 1 302 */
            order by count($paper), $tokenGroupped
            return $tokenGroupped
        where $token = /*+ bcast */ $tokenRanked
        order by $i
        return $i
    order by $paperDBLP.id
    return {'id': $paperDBLP.id, 'tokens':$tokensDBLP}