| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.iotdb.db.integration.aggregation; |
| |
| import org.apache.iotdb.db.conf.IoTDBDescriptor; |
| import org.apache.iotdb.db.engine.compaction.CompactionStrategy; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.jdbc.Config; |
| |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.Statement; |
| |
| import static org.apache.iotdb.db.constant.TestConstant.first_value; |
| import static org.apache.iotdb.db.constant.TestConstant.last_value; |
| import static org.junit.Assert.fail; |
| |
| public class IoTDBAggregationScanOrderIT { |
| |
| private static final String[] sqls = |
| new String[] { |
| "insert into root.sg1.d1(time, s1) values (12, 12);", |
| "flush;", |
| "insert into root.sg1.d1(time, s2) values (30, 30);", |
| "flush;", |
| "insert into root.sg1.d1(time, s1) values (0, 0);", |
| "insert into root.sg1.d1(time, s1) values (8, 8);", |
| "flush;", |
| "insert into root.sg1.d1(time, s1) values (0, 0);", |
| "insert into root.sg1.d1(time, s1) values (10, 10);", |
| "flush;", |
| "insert into root.sg1.d1(time, s1) values (17, 17);", |
| "insert into root.sg1.d1(time, s1) values (20, 20);", |
| "flush;" |
| }; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| EnvironmentUtils.closeStatMonitor(); |
| EnvironmentUtils.envSetUp(); |
| IoTDBDescriptor.getInstance() |
| .getConfig() |
| .setCompactionStrategy(CompactionStrategy.NO_COMPACTION); |
| insertSQL(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| EnvironmentUtils.cleanEnv(); |
| IoTDBDescriptor.getInstance() |
| .getConfig() |
| .setCompactionStrategy(CompactionStrategy.LEVEL_COMPACTION); |
| } |
| |
| @Test |
| public void test() throws ClassNotFoundException { |
| String expectedRet = "0.0,20.0"; |
| String d1s1 = "root.sg1.d1.s1"; |
| |
| Class.forName(Config.JDBC_DRIVER_NAME); |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute("select first_value(s1), last_value(s1) from root.sg1.d1;"); |
| |
| Assert.assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| Assert.assertTrue(resultSet.next()); |
| String ans = |
| resultSet.getString(first_value(d1s1)) + "," + resultSet.getString(last_value(d1s1)); |
| Assert.assertEquals(expectedRet, ans); |
| Assert.assertFalse(resultSet.next()); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select first_value(s1), last_value(s1) from root.sg1.d1 order by time desc;"); |
| |
| Assert.assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| Assert.assertTrue(resultSet.next()); |
| String ans = |
| resultSet.getString(first_value(d1s1)) + "," + resultSet.getString(last_value(d1s1)); |
| Assert.assertEquals(expectedRet, ans); |
| Assert.assertFalse(resultSet.next()); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| public static void insertSQL() throws ClassNotFoundException { |
| Class.forName(Config.JDBC_DRIVER_NAME); |
| try (Connection connection = |
| DriverManager.getConnection( |
| Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| |
| for (String sql : sqls) { |
| statement.execute(sql); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| } |