| /* |
| * 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. |
| */ |
| |
| #include <pwd.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <vector> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <iostream> |
| |
| #include "lib/command.h" |
| #include "lib/data_gen.h" |
| #include "lib/hawq_config.h" |
| #include "lib/sql_util.h" |
| |
| #include "gtest/gtest.h" |
| |
| class TestQueryNestedCaseNull : public ::testing::Test { |
| public: |
| TestQueryNestedCaseNull() {} |
| ~TestQueryNestedCaseNull() {} |
| }; |
| |
| TEST_F(TestQueryNestedCaseNull, Test1) { |
| hawq::test::SQLUtility util; |
| |
| // prepare |
| util.execute("DROP TABLE IF EXISTS t CASCADE"); |
| |
| // test |
| util.execute("CREATE TABLE t(pid INT, wid INT, state CHARACTER VARYING(30))"); |
| util.execute("INSERT INTO t VALUES(1,1)"); |
| util.query("SELECT DECODE(DECODE(state, '', NULL, state), '-', NULL, state) AS state FROM t", |
| "|\n"); |
| |
| // cleanup |
| util.execute("DROP TABLE t"); |
| } |