/*
 * 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 TwitterUserType as open {
        screen-name: string,
        lang: string,
        friends_count: int32,
        statuses_count: int32,
        name: string,
        followers_count: int32
}

create type TweetMessageType as closed {
        tweetid: string,
        user: TwitterUserType,
        sender-location: point?,
        send-time: datetime,
        referred-topics: {{ string }},
        message-text: string
}

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 type FacebookMessageType as closed {
        message-id: int32,
        author-id: int32,
        in-response-to: int32?,
        sender-location: point?,
        message: string
}

create dataset FacebookUsers(FacebookUserType)
primary key id;

create dataset FacebookMessages(FacebookMessageType)
primary key message-id;

create dataset TwitterUsers(TwitterUserType)
primary key screen-name;

create dataset TweetMessages(TweetMessageType)
primary key tweetid;

load dataset FacebookUsers using localfs
(("path"="localhost://FULL_PATH/fbu.adm"),("format"="adm"));

load dataset FacebookMessages using localfs
(("path"="localhost://FULL_PATH/fbm.adm"),("format"="adm"));

load dataset TwitterUsers using localfs
(("path"="localhost://FULL_PATH/twu.adm"),("format"="adm"));

load dataset TweetMessages using localfs
(("path"="localhost://FULL_PATH/twm.adm"),("format"="adm"));
