blob: 728798fd036801fce3333d254e0c490bddfdd05f [file] [log] [blame]
/*
* 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.
*/
use fuzzyjoin;
set `import-private-functions` `true`;
select element {'id':idDBLP,'len':lenDBLP,'tokens':tokensDBLP}
from DBLP as paperDBLP
with idDBLP as paperDBLP.id,
tokensUnrankedDBLP as fuzzyjoin.`counthashed-word-tokens`(paperDBLP.title),
lenDBLP as fuzzyjoin.len(tokensUnrankedDBLP),
tokensDBLP as (
select element i
from tokensUnrankedDBLP as tokenUnranked,
(
select element tokenGrouped
from DBLP as paper,
fuzzyjoin.`counthashed-word-tokens`(paper.title) as token
with id as paper.id
/* +hash */
group by token as tokenGrouped
order by count(id),tokenGrouped
) as tokenRanked at i
where (tokenUnranked = tokenRanked)
order by i
)
order by idDBLP
;