| /* |
| * 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 database TinySocial if exists; |
| create database TinySocial; |
| |
| use TinySocial; |
| |
| |
| create type TinySocial.EmploymentType as |
| { |
| "organization-name" : string, |
| "start-date" : date, |
| "end-date" : date? |
| } |
| |
| create type TinySocial.FacebookUserType as |
| closed { |
| id : int32, |
| alias : string, |
| name : string, |
| "user-since" : datetime, |
| "friend-ids" : {{int32}}, |
| employment : [EmploymentType] |
| } |
| |
| create table FacebookUsers(FacebookUserType) primary key id; |
| |
| with lonelyusers as ( |
| select element d |
| from FacebookUsers as d |
| where (TinySocial.count(d."friend-ids") < 2) |
| ), |
| lonelyusers2 as ( |
| select element d |
| from FacebookUsers as d |
| where (TinySocial.count(d."friend-ids") < 2) |
| ) |
| select element {'user1':{'id':l1.id,'name':l1.name},'user2':{'id':l2.id,'name':l2.name}} |
| from lonelyusers as l1, |
| lonelyusers2 as l2 |
| where (l1.id < l2.id) |
| order by l1.id,l2.id |
| ; |