| /* |
| * 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 : Test warnings for cardinality hints |
| * Expected Res : Warning, ignore hint |
| * Date : 03/09/2023 |
| */ |
| // requesttype=application/json |
| // param max-warnings:json=10 |
| |
| set `compiler.cbo` 'false'; |
| set `compiler.cbotest` 'true'; |
| use tpch; |
| |
| SELECT count(*) |
| FROM customer c, nation n |
| WHERE c.c_nationkey /*+ productivity n 0.0 */ = n.n_nationkey; |
