blob: a3bb0fc4a3671a77e7f8634a9f7bc580a23a8450 [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.
*/
drop dataverse TinySocial if exists;
create dataverse TinySocial;
use dataverse TinySocial;
create type EmploymentType as open {
organization-name: string,
start-date: date,
end-date: date?
}
create type FacebookUserType as closed {
id: int32,
alias: string,
name: string,
user-since: datetime,
friend-ids: {{ int32 }},
employment: [EmploymentType]
}
create dataset FacebookUsers(FacebookUserType)
primary key id;
let $lonelyusers := for $d in dataset FacebookUsers where count($d.friend-ids) < 2 return $d
let $lonelyusers2 := for $d in dataset FacebookUsers where count($d.friend-ids) < 2 return $d
for $l1 in $lonelyusers
for $l2 in $lonelyusers2
where $l1.id < $l2.id
order by $l1.id, $l2.id
return { "user1": { "id": $l1.id, "name": $l1.name }, "user2": { "id": $l2.id, "name": $l2.name } };