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

48 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 PlanSysTableTest : public PlannerTestBase {};
TEST_F(PlanSysTableTest, informationSchema) {
useDb("root", "information_schema");
run("SELECT * FROM information_schema.ins_databases WHERE name = 'information_schema'");
}
TEST_F(PlanSysTableTest, withAgg) {
useDb("root", "information_schema");
run("SELECT COUNT(1) FROM ins_users");
}
TEST_F(PlanSysTableTest, tableCount) {
useDb("root", "information_schema");
run("SELECT COUNT(*) FROM ins_tables");
run("SELECT COUNT(*) FROM ins_tables WHERE db_name = 'test'");
run("SELECT COUNT(*) FROM ins_tables WHERE db_name = 'test' AND stable_name = 'st1'");
run("SELECT db_name, COUNT(*) FROM ins_tables GROUP BY db_name");
run("SELECT db_name, stable_name, COUNT(*) FROM ins_tables GROUP BY db_name, stable_name");
}