| /* |
| * 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 : Self-joins on a dataset on the intersection of a point attribute. |
| * The dataset 'TweetMessages' has an RTree index, and we expect the |
| * join to be transformed into an indexed nested-loop join. |
| * Success : Yes |
| */ |
| |
| drop dataverse test if exists; |
| create dataverse test; |
| use dataverse test; |
| |
| create type TwitterUserType as closed { |
| screen-name: string, |
| lang: string, |
| friends-count: int64, |
| statuses-count: int64, |
| name: string, |
| followers-count: int64 |
| } |
| |
| create type TweetMessageType as closed { |
| tweetid: int64, |
| user: TwitterUserType, |
| sender-location: point, |
| send-time: datetime, |
| referred-topics: {{ string }}, |
| message-text: string, |
| countA: int64, |
| countB: int64 |
| } |
| |
| create dataset TweetMessages(TweetMessageType) |
| primary key tweetid; |
| |
| create index twmSndLocIx on TweetMessages(sender-location) type rtree; |
| create index msgCountAIx on TweetMessages(countA) type btree; |
| create index msgCountBIx on TweetMessages(countB) type btree; |
| create index msgTextIx on TweetMessages(message-text) type keyword; |
| |
| write output to asterix_nc1:"rttest/index-join_rtree-spatial-self-intersect-point.adm"; |
| |
| for $t1 in dataset('TweetMessages') |
| for $t2 in dataset('TweetMessages') |
| let $n := create-circle($t1.sender-location, 0.5) |
| where spatial-intersect($t2.sender-location, $n) |
| order by $t2.tweetid |
| return {"tweetid2":$t2.tweetid, "loc2":$t2.sender-location}; |
| |