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

55 lines
1.5 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 PlanOptimizeTest : public PlannerTestBase {};
TEST_F(PlanOptimizeTest, optimizeScanData) {
useDb("root", "test");
run("SELECT COUNT(*) FROM t1");
run("SELECT COUNT(c1) FROM t1");
run("SELECT COUNT(CAST(c1 AS BIGINT)) FROM t1");
run("SELECT PERCENTILE(c1, 40), COUNT(*) FROM t1");
}
TEST_F(PlanOptimizeTest, ConditionPushDown) {
useDb("root", "test");
run("SELECT ts, c1 FROM st1 WHERE tag1 > 4");
run("SELECT ts, c1 FROM st1 WHERE tag1 > 4 or tag1 < 2");
run("SELECT ts, c1 FROM st1 WHERE tag1 > 4 AND tag2 = 'hello'");
}
TEST_F(PlanOptimizeTest, orderByPrimaryKey) {
useDb("root", "test");
run("SELECT * FROM t1 ORDER BY ts");
run("SELECT * FROM t1 ORDER BY ts DESC");
run("SELECT c1 FROM t1 ORDER BY ts");
run("SELECT c1 FROM t1 ORDER BY ts DESC");
run("SELECT COUNT(*) FROM t1 INTERVAL(10S) ORDER BY _WSTARTTS DESC");
}