| /* |
| * 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; |
| |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.jdbc.Config; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.Statement; |
| |
| /** |
| * @mail yuqi4733@gmail.com |
| * @description your description |
| * @time 14/12/20 上午11:05 |
| */ |
| public class IoTDBCompressTypeIT { |
| @Before |
| public void setUp() { |
| EnvironmentUtils.closeStatMonitor(); |
| EnvironmentUtils.envSetUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| EnvironmentUtils.cleanEnv(); |
| } |
| |
| @Test |
| public void testGZIPCompression() throws Exception { |
| 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()) { |
| |
| statement.execute("CREATE TIMESERIES root.ln.wf01.wt01.name WITH DATATYPE=TEXT"); |
| statement.execute( |
| "CREATE TIMESERIES root.ln.wf01.wt01.age WITH DATATYPE=INT32, ENCODING=RLE, COMPRESSOR = GZIP"); |
| |
| statement.execute( |
| "insert into root.ln.wf01.wt01(timestamp,name,age) values(1000,'zhang',10)"); |
| statement.execute("flush"); |
| |
| ResultSet r1 = statement.executeQuery("select * from root.ln.wf01.wt01"); |
| r1.next(); |
| |
| Assert.assertEquals("zhang", r1.getString(2)); |
| Assert.assertEquals(10, r1.getInt(3)); |
| |
| statement.execute("insert into root.ln.wf01.wt01(timestamp,name,age) values(2000,'wang',20)"); |
| statement.execute("flush"); |
| statement.execute("insert into root.ln.wf01.wt01(timestamp,name,age) values(3000,'li',30)"); |
| |
| ResultSet r2 = statement.executeQuery("select * from root.ln.wf01.wt01 where name = 'wang'"); |
| r2.next(); |
| Assert.assertEquals(20, r2.getInt(3)); |
| |
| ResultSet r3 = statement.executeQuery("select * from root.ln.wf01.wt01 where name = 'li'"); |
| r3.next(); |
| Assert.assertEquals(30, r3.getInt(3)); |
| |
| ResultSet r4 = statement.executeQuery("select sum(age) from root.ln.wf01.wt01"); |
| r4.next(); |
| double d = r4.getDouble(1); |
| |
| Assert.assertTrue(60.0 == d); |
| |
| // now we try to insert more values |
| for (int i = 1; i <= 1000; i++) { |
| String time = String.valueOf(i * 100); |
| String values = String.valueOf(i * 10); |
| statement.execute( |
| String.format( |
| "insert into root.ln.wf01.wt01(timestamp,name,age) values(%s,'wang', %s)", |
| time, values)); |
| } |
| |
| statement.execute("flush"); |
| ResultSet r5 = |
| statement.executeQuery("select * from root.ln.wf01.wt01 where timestamp = 100000"); |
| r5.next(); |
| Assert.assertEquals(10000, r5.getInt(3)); |
| } |
| } |
| } |