| /* |
| * 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.conf.IoTDBDescriptor; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.jdbc.Config; |
| import org.apache.iotdb.jdbc.IoTDBSQLException; |
| |
| 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; |
| |
| import static org.apache.iotdb.db.constant.TestConstant.TIMESTAMP_STR; |
| import static org.apache.iotdb.db.constant.TestConstant.last_value; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class IoTDBGroupByFillIT { |
| |
| private static String[] dataSet1 = |
| new String[] { |
| "SET STORAGE GROUP TO root.ln.wf01.wt01", |
| "CREATE TIMESERIES root.ln.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN", |
| "CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=INT32, ENCODING=PLAIN", |
| "CREATE TIMESERIES root.ln.wf01.wt01.hardware WITH DATATYPE=DOUBLE, ENCODING=PLAIN", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(10, 21, false, 11.1)", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(12, 23, true, 22.3)", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(14, 25, false, 33.5)", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(29, 26, false, 33.2)", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(36, 29, false, 44.7)", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(37, 30, false, 55.8)", |
| "INSERT INTO root.ln.wf01.wt01(timestamp,temperature,status, hardware) " |
| + "values(39, 40, false, 33.0)", |
| "flush" |
| }; |
| |
| @Before |
| public void setUp() throws Exception { |
| EnvironmentUtils.closeStatMonitor(); |
| EnvironmentUtils.envSetUp(); |
| IoTDBDescriptor.getInstance().getConfig().setPartitionInterval(1000); |
| Class.forName(Config.JDBC_DRIVER_NAME); |
| prepareData(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| IoTDBDescriptor.getInstance().getConfig().setPartitionInterval(86400); |
| EnvironmentUtils.cleanEnv(); |
| } |
| |
| @Test |
| public void previousTest1() { |
| String[] retArray = |
| new String[] { |
| "17,25", "22,25", "27,26", "32,29", "37,40", "42,40", "47,40", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previous])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previous]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousTest2() { |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| statement.execute( |
| "select count(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previous])"); |
| } catch (IoTDBSQLException e) { |
| assertTrue(e.getMessage().contains("Group By Fill only support last_value function")); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| statement.execute( |
| "select count(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previous]) order by time desc"); |
| } catch (IoTDBSQLException e) { |
| assertTrue(e.getMessage().contains("Group By Fill only support last_value function")); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousTest3() { |
| String[] retArray = |
| new String[] { |
| "2,null", "7,21", "12,25", "17,25", "22,25", "27,26", "32,29", "37,40", "42,40", "47,40", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previous])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previous]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousTest4() { |
| String[] retArray = |
| new String[] { |
| "2,null,null", |
| "7,21,11.1", |
| "12,25,33.5", |
| "17,25,33.5", |
| "22,25,33.5", |
| "27,26,33.2", |
| "32,29,44.7", |
| "37,40,33.0", |
| "42,40,33.0", |
| "47,40,33.0", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previous], double[previous])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previous], double[previous]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void leftORightCPreviousTest() { |
| String[] retArray = |
| new String[] { |
| "10,21", "15,25", "20,25", "25,25", "30,26", "35,26", "40,40", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ((5, 40], 5ms) FILL(int32[previous])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ((5, 40], 5ms) FILL(int32[previous]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousAllTest() { |
| String[] retArray = |
| new String[] { |
| "2,null,null", |
| "7,21,11.1", |
| "12,25,33.5", |
| "17,25,33.5", |
| "22,25,33.5", |
| "27,26,33.2", |
| "32,29,44.7", |
| "37,40,33.0", |
| "42,40,33.0", |
| "47,40,33.0", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(ALL[previous])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(ALL[previous]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousUntilLastTest1() { |
| String[] retArray = |
| new String[] { |
| "17,25", "22,25", "27,26", "32,29", "37,40", "42,null", "47,null", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previousUntilLast])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previousUntilLast]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousUntilLastTest2() { |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| statement.execute( |
| "select count(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previousUntilLast])"); |
| } catch (IoTDBSQLException e) { |
| System.out.println(e.getMessage()); |
| assertTrue(e.getMessage().contains("Group By Fill only support last_value function")); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| statement.execute( |
| "select count(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previousUntilLast]) order by time desc"); |
| } catch (IoTDBSQLException e) { |
| System.out.println(e.getMessage()); |
| assertTrue(e.getMessage().contains("Group By Fill only support last_value function")); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousUntilLastTest3() { |
| String[] retArray = |
| new String[] { |
| "2,null", "7,21", "12,25", "17,25", "22,25", "27,26", "32,29", "37,40", "42,null", |
| "47,null", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previousUntilLast])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previousUntilLast])order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousUntilLastTest4() { |
| String[] retArray = |
| new String[] { |
| "2,null,null", |
| "7,21,11.1", |
| "12,25,33.5", |
| "17,25,33.5", |
| "22,25,33.5", |
| "27,26,33.2", |
| "32,29,44.7", |
| "37,40,33.0", |
| "42,null,null", |
| "47,null,null", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previousUntilLast], double[previousUntilLast])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(int32[previousUntilLast], double[previousUntilLast]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousUntilLastTest5() { |
| String[] retArray = |
| new String[] { |
| "17,25", "22,25", "27,26", "32,29", "37,40", "42,null", "47,null", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(float[previousUntilLast])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(float[previousUntilLast]) order by time desc"); |
| |
| assertTrue(hasResultSet); |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[retArray.length - cnt - 1], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void leftORightCPreviousUntilLastTest() { |
| String[] retArray = |
| new String[] {"9,null", "14,25", "19,25", "24,25", "29,26", "34,26", "39,40", "44,null"}; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ((4, 44], 5ms) FILL(int32[previousUntilLast])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void previousUntilLastAllTest() { |
| String[] retArray = |
| new String[] { |
| "2,null,null", |
| "7,21,11.1", |
| "12,25,33.5", |
| "17,25,33.5", |
| "22,25,33.5", |
| "27,26,33.2", |
| "32,29,44.7", |
| "37,40,33.0", |
| "42,null,null", |
| "47,null,null", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature), last_value(hardware) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([2, 48), 5ms) FILL(ALL[previousUntilLast])"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.hardware")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void usingLimit() { |
| |
| String[] retArray = |
| new String[] { |
| "27,26", "32,29", "37,40", "42,40", "47,40", |
| }; |
| |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = |
| statement.execute( |
| "select last_value(temperature) from " |
| + "root.ln.wf01.wt01 " |
| + "GROUP BY ([17, 48), 5ms) FILL(int32[previous]) " |
| + "limit 5 offset 2"); |
| |
| assertTrue(hasResultSet); |
| int cnt; |
| try (ResultSet resultSet = statement.getResultSet()) { |
| cnt = 0; |
| while (resultSet.next()) { |
| String ans = |
| resultSet.getString(TIMESTAMP_STR) |
| + "," |
| + resultSet.getString(last_value("root.ln.wf01.wt01.temperature")); |
| assertEquals(retArray[cnt], ans); |
| cnt++; |
| } |
| assertEquals(retArray.length, cnt); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| /** |
| * Test group by fill without aggregation function used in select clause. The expected situation |
| * is throwing an exception. |
| */ |
| @Test |
| public void TestGroupByFillWithoutAggregationFunc() { |
| try (Connection connection = |
| DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| |
| statement.execute( |
| "select temperature from root.ln.wf01.wt01 " |
| + "group by ([0, 100), 5ms) FILL(int32[previous])"); |
| |
| fail("No expected exception thrown"); |
| } catch (Exception e) { |
| Assert.assertTrue( |
| e.getMessage().contains("There is no aggregation function with group by query")); |
| } |
| } |
| |
| private void prepareData() { |
| try (Connection connection = |
| DriverManager.getConnection( |
| Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| |
| for (String sql : dataSet1) { |
| statement.execute(sql); |
| } |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
