| /* |
| * 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 : Tests whether an ngram_index is applied to optimize a selection query using the edit-distance-check function on strings. |
| * Tests that the optimizer rule correctly drills through the let clauses. |
| * The index should be applied. |
| * Success : Yes |
| */ |
| |
| drop dataverse test if exists; |
| create dataverse test; |
| use dataverse test; |
| |
| create type DBLPType as closed { |
| id: int32, |
| dblpid: string, |
| title: string, |
| authors: string, |
| misc: string |
| } |
| |
| create dataset DBLP(DBLPType) primary key id; |
| |
| create index ngram_index on DBLP(authors) type ngram(3); |
| |
| write output to asterix_nc1:"rttest/inverted-index-complex_ngram-edit-distance-check-let.adm"; |
| |
| for $o in dataset('DBLP') |
| let $ed := edit-distance-check($o.authors, "Amihay Motro", 1) |
| where $ed[0] |
| return $o |