| /* |
| * 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 : Fuzzy joins two datasets, Customer and Customer2, based on ~= using Jaccard of their interest sets. |
| * Customers2 has a keyword index on interests, and we expect the join to be transformed into an indexed nested-loop join. |
| * Success : Yes |
| */ |
| |
| drop database test if exists; |
| create database test; |
| |
| use test; |
| |
| |
| create type test.AddressType as |
| closed { |
| number : int32, |
| street : string, |
| city : string |
| } |
| |
| create type test.CustomerType as |
| closed { |
| cid : int32, |
| name : string, |
| age : int32?, |
| address : AddressType?, |
| interests : {{string}}, |
| children : [{ |
| name : string, |
| age : int32? |
| } |
| ] |
| } |
| |
| create table Customers(CustomerType) primary key cid; |
| |
| create table Customers2(CustomerType) primary key cid; |
| |
| create index interests_index on Customers2 (interests) type keyword; |
| |
| write output to asterix_nc1:"rttest/inverted-index-join_ulist-fuzzyeq-jaccard_02.adm" |
| set `simfunction` `jaccard`; |
| |
| set `simthreshold` `0.7f`; |
| |
| select element {'arec':a,'brec':b} |
| from Customers as a, |
| Customers2 as b |
| where ((a.interests /*+ indexnl */ ~= b.interests) and (a.cid < b.cid)) |
| ; |