| /* |
| * Description : Create Channel Test. Confirms that the subscription and result datasets are created |
| * Expected Res : Success |
| * Date : March 2015 |
| * Author : Steven Jacobs |
| */ |
| |
| drop dataverse channels if exists; |
| create dataverse channels; |
| use dataverse channels; |
| |
| create type TweetMessageTypeuuid as closed { |
| tweetid: uuid, |
| sender-location: point, |
| send-time: datetime, |
| referred-topics: {{ string }}, |
| message-text: string, |
| countA: int32, |
| countB: int32 |
| } |
| |
| |
| create dataset TweetMessageuuids(TweetMessageTypeuuid) |
| primary key tweetid autogenerated; |
| |
| create function NearbyTweetsContainingText($location, $text) { |
| for $tweet in dataset TweetMessageuuids |
| let $circle := create-circle($location,30.0) |
| where contains($tweet.message-text,$text) |
| and spatial-intersect($tweet.sender-location, $location) |
| return $tweet.message-text |
| }; |
| |
| create repetitive channel nearbyTweetChannel using NearbyTweetsContainingText@2 period duration("PT10M"); |
