| /* |
| * 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 dataverse TinySocial; |
| |
| for $user in dataset MugshotUsers |
| for $message in dataset MugshotMessages |
| where $message.author-id = $user.id |
| group by $name := $user.name with $message |
| let $avglen := avg(for $m in $message |
| return string-length($m.message)) |
| order by $avglen desc |
| limit 10 |
| return { |
| "uname" : $name, |
| "msg-length" : $avglen |
| }; |