blob: 04a3b155a6b637c15d61b12369a853aabce7247e [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 database twitter if exists;
create database twitter;
use twitter;
create type twitter.Tweet as
{
id : int32,
tweetid : int64,
loc : point,
time : datetime,
text : string
}
create external table TwitterData(Tweet) using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"(("path"="nc1://data/twitter/smalltweets.txt"),("format"="adm"));
write output to nc1:"/tmp/count-tweets.adm"
select element {'word':tok,'count':twitter.count(token)}
from TwitterData as t,
tokens as token
with tokens as twitter."word-tokens"(t.text)
group by token as tok
;