Yingyi Bu | f93405c | 2016-02-12 09:07:17 -0800 | [diff] [blame^] | 1 | /* |
| 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 | |
| 20 | drop dataverse emergencyTest if exists; |
| 21 | create dataverse emergencyTest; |
| 22 | use dataverse emergencyTest; |
| 23 | |
| 24 | |
| 25 | drop dataverse channels if exists; |
| 26 | create dataverse channels; |
| 27 | use dataverse channels; |
| 28 | |
| 29 | create type userLocation as closed |
| 30 | { userId: int, roomNumber: int } |
| 31 | |
| 32 | create dataset userLocations(userLocation) |
| 33 | primary key userId; |
| 34 | |
| 35 | create function currentOccupancy($room) |
| 36 | { |
| 37 | let $list := for $location in dataset userLocations |
| 38 | where $location.roomNumber = $room |
| 39 | return $location.userId return $list |
| 40 | }; |
| 41 | |
| 42 | create type subscription as { "id":uuid, "param0":int } |
| 43 | |
| 44 | create dataset subscriptions(subscription) |
| 45 | primary key id autogenerated; |
| 46 | |
| 47 | for $sub in dataset subscriptions |
| 48 | for $result in currentOccupancy($sub.param0) |
| 49 | return $result; |