| /* |
| * 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 : Notice the query hint to use an indexed nested-loops join plan in both predicates. |
| * : We expect a plan to have a self-join, which probes dataset Names’s with a prefix of its secondary index. |
| * Expected Res : Success |
| * Date : 11th November 2014 |
| */ |
| |
| drop database test if exists; |
| create database test; |
| |
| use test; |
| |
| |
| create type test.Nametmp as |
| { |
| id : int32 |
| } |
| |
| create type test.NameType as |
| { |
| nested : Nametmp |
| } |
| |
| create table Names(NameType) primary key nested.id; |
| |
| create index Name_idx on Names (nested.fname:string,lnested.name:string) type btree enforced; |
| |
| write output to asterix_nc1:"rttest/btree-index-join_secondary-composite-key-prefix-prefix-join_02.adm" |
| select element {'emp1':emp1,'emp2':emp2} |
| from Names as emp1, |
| Names as emp2 |
| where ((emp1.nested.fname /*+ indexnl */ > emp2.nested.fname) and (emp1.nested.lname /*+ indexnl */ < emp2.nested.lname)) |
| ; |