asterix-bad/src/test/resources/runtimets/queries/channel/disasters_with_friends/disasters_with_friends.1.ddl.sqlpp

/*
 * 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.
 */
/*
* Description  : Disasters with friends
* Expected Res : Success
* Date         : May 17
* Author       : Steven Jacobs
*/

drop dataverse channels if exists;
create dataverse channels;
use channels;

create type UserLocation as {
  recordId: uuid,
  latitude: double,
  longitude: double,
  user_id: int,
  timestamp: datetime
};

create type EmergencyShelter as {
  name: string,
  location: point
};

create type EmergencyReport as {
  reportId: uuid,
  impactZone: circle,
  timestamp: datetime,
  emergencyType: string
};

//create datasets
create dataset EmergencyReports(EmergencyReport) primary key reportId autogenerated;
create dataset UserLocations(UserLocation) primary key recordId autogenerated;
create dataset EmergencyShelters(EmergencyShelter) primary key name;

create broker brokerA at "http://www.notifyA.com";

create function EmergenciesNearMe(emergencyType, uid){
  (with tenMinutesAgo as current_datetime() - day_time_duration("PT10S")
  select report as report, shelters as shelters
  from EmergencyReports report, UserLocations user
  let shelters = (select * from EmergencyShelters shelter
    where spatial_intersect(report.impactZone,shelter.location))
  where user.user_id = uid
    and report.timestamp >= tenMinutesAgo
    and user.timestamp >= tenMinutesAgo
    and report.emergencyType = emergencyType
    and spatial_intersect(report.impactZone,create_point(user.latitude,user.longitude)))
};

create repetitive channel EmergenciesNearMeChannel using EmergenciesNearMe@2 period duration("PT5S");