blob: 5eae7fd67c32d4726b814aeb3731dba6d8c02e90 [file] [log] [blame]
Yingyi Bu391f09e2015-10-29 13:49:39 -07001/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20select element {'user_name':user.name,'similar_users':similar_users}
21from Users as user
22with similar_users as (
23 select element {'user_name':similar_user.name,'similarity':similarity}
24 from Users as similar_user
25 with similarity as jaccard_similarity(user.interests,similar_user.interests)
26 where ((user != similar_user) and (similarity >= 0.75))
27 order by similarity desc
28 limit 10
29 )
30;