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

53 lines
1.4 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 PlanOrderByTest : public PlannerTestBase {};
TEST_F(PlanOrderByTest, basic) {
useDb("root", "test");
// ORDER BY key is in the projection list
run("SELECT c1 FROM t1 ORDER BY c1");
// ORDER BY key is not in the projection list
run("SELECT c1 FROM t1 ORDER BY c2");
}
TEST_F(PlanOrderByTest, expr) {
useDb("root", "test");
run("SELECT * FROM t1 ORDER BY c1 + 10, c2");
}
TEST_F(PlanOrderByTest, nullsOrder) {
useDb("root", "test");
run("SELECT * FROM t1 ORDER BY c1 DESC NULLS FIRST");
}
TEST_F(PlanOrderByTest, stable) {
useDb("root", "test");
// ORDER BY key is in the projection list
run("SELECT c1 FROM st1 ORDER BY c1");
// ORDER BY key is not in the projection list
run("SELECT c2 FROM st1 ORDER BY c1");
}