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

54 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 PlanSubqeuryTest : public PlannerTestBase {};
TEST_F(PlanSubqeuryTest, basic) {
useDb("root", "test");
run("SELECT * FROM (SELECT * FROM t1)");
run("SELECT LAST(c1) FROM (SELECT * FROM t1)");
run("SELECT c1 FROM (SELECT TODAY() AS c1 FROM t1)");
run("SELECT NOW() FROM t1");
run("SELECT NOW() FROM (SELECT * FROM t1)");
// run("SELECT NOW() FROM (SELECT * FROM t1) ORDER BY ts");
}
TEST_F(PlanSubqeuryTest, doubleGroupBy) {
useDb("root", "test");
run("SELECT COUNT(*) FROM ("
"SELECT c1 + c3 a, c1 + COUNT(*) b FROM t1 WHERE c2 = 'abc' GROUP BY c1, c3) "
"WHERE a > 100 GROUP BY b");
}
TEST_F(PlanSubqeuryTest, withSetOperator) {
useDb("root", "test");
run("SELECT c1 FROM (SELECT c1 FROM t1 UNION ALL SELECT c1 FROM t1)");
run("SELECT c1 FROM (SELECT c1 FROM t1 UNION SELECT c1 FROM t1)");
}