homework-jianmu/source/libs/planner/test/planDistinctTest.cpp

43 lines
1.1 KiB
C++

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "planTestUtil.h"
#include "planner.h"
using namespace std;
class PlanDistinctTest : public PlannerTestBase {};
TEST_F(PlanDistinctTest, basic) {
useDb("root", "test");
// distinct single col
run("select distinct c1 from t1");
// distinct col list
run("select distinct c1, c2 from t1");
}
TEST_F(PlanDistinctTest, expr) {
useDb("root", "test");
run("select distinct c1, c2 + 10 from t1");
}
TEST_F(PlanDistinctTest, withOrderBy) {
useDb("root", "test");
run("select distinct c1 + 10 a from t1 order by a");
}