asterix-app/src/test/resources/parserts/queries-sql-like/6.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.
 */
from $user in dataset('Users')
with $similar_users :=
   from $similar_user in dataset('Users')
   with $similarity := jaccard_similarity($user.interests, $similar_user.interests)
   where $user != $similar_user
   and $similarity >= .75
   order by $similarity desc
   limit 10
   select { "user_name" : $similar_user.name, "similarity" : $similarity }
select { "user_name" : $user.name, "similar_users" : $similar_users }