提交 f1896f54 编写于 作者: Z zyyang

[TD-2297]<test>: check local taos-jdbcdriver-2.0.x.jar

上级 7138b29f
......@@ -23,7 +23,7 @@
<configuration>
<archive>
<manifest>
<mainClass>com.taosdata.example.JdbcChecker</mainClass>
<mainClass>com.taosdata.example.JdbcDemo</mainClass>
</manifest>
</archive>
<descriptorRefs>
......@@ -56,18 +56,7 @@
<dependency>
<groupId>com.taosdata.jdbc</groupId>
<artifactId>taos-jdbcdriver</artifactId>
<version>2.0.12</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.1</version>
<scope>test</scope>
<version>2.0.15</version>
</dependency>
</dependencies>
</project>
......@@ -5,16 +5,37 @@ import com.taosdata.jdbc.TSDBDriver;
import java.sql.*;
import java.util.Properties;
public class JdbcChecker {
public class JdbcDemo {
private static String host;
private static String dbName = "test";
private static String tbName = "weather";
private static final String dbName = "test";
private static final String tbName = "weather";
private Connection connection;
/**
* get connection
**/
public static void main(String[] args) {
for (int i = 0; i < args.length; i++) {
if ("-host".equalsIgnoreCase(args[i]) && i < args.length - 1)
host = args[++i];
}
if (host == null) {
System.out.println("Usage: java -jar JdbcDemo.jar -host <hostname>");
return;
}
JdbcDemo demo = new JdbcDemo();
demo.init();
demo.createDatabase();
demo.useDatabase();
demo.dropTable();
demo.createTable();
demo.insert();
demo.select();
demo.dropTable();
demo.close();
}
private void init() {
// get connection
try {
Class.forName("com.taosdata.jdbc.TSDBDriver");
Properties properties = new Properties();
......@@ -31,26 +52,17 @@ public class JdbcChecker {
}
}
/**
* create database
*/
private void createDatabase() {
String sql = "create database if not exists " + dbName;
exuete(sql);
}
/**
* use database
*/
private void useDatabase() {
String sql = "use " + dbName;
exuete(sql);
}
/**
* select
*/
private void checkSelect() {
private void select() {
final String sql = "select * from test.weather";
executeQuery(sql);
}
......@@ -79,40 +91,21 @@ public class JdbcChecker {
}
}
private String formatString(String str) {
StringBuilder sb = new StringBuilder();
int blankCnt = (26 - str.length()) / 2;
for (int j = 0; j < blankCnt; j++)
sb.append(" ");
sb.append(str);
for (int j = 0; j < blankCnt; j++)
sb.append(" ");
sb.append("|");
return sb.toString();
}
/**
* insert
*/
private void checkInsert() {
private void insert() {
final String sql = "insert into test.weather (ts, temperature, humidity) values(now, 20.5, 34)";
exuete(sql);
}
/**
* create table
*/
private void createTable() {
final String sql = "create table if not exists " + dbName + "." + tbName + " (ts timestamp, temperature float, humidity int)";
exuete(sql);
}
private final void printSql(String sql, boolean succeed, long cost) {
private void printSql(String sql, boolean succeed, long cost) {
System.out.println("[ " + (succeed ? "OK" : "ERROR!") + " ] time cost: " + cost + " ms, execute statement ====> " + sql);
}
private final void exuete(String sql) {
private void exuete(String sql) {
try (Statement statement = connection.createStatement()) {
long start = System.currentTimeMillis();
boolean execute = statement.execute(sql);
......@@ -120,7 +113,7 @@ public class JdbcChecker {
printSql(sql, execute, (end - start));
} catch (SQLException e) {
e.printStackTrace();
}
}
......@@ -135,39 +128,10 @@ public class JdbcChecker {
}
}
private void checkDropTable() {
private void dropTable() {
final String sql = "drop table if exists " + dbName + "." + tbName + "";
exuete(sql);
}
public static void main(String[] args) {
for (int i = 0; i < args.length; i++) {
if ("-host".equalsIgnoreCase(args[i]) && i < args.length - 1) {
host = args[++i];
}
if ("-db".equalsIgnoreCase(args[i]) && i < args.length - 1) {
dbName = args[++i];
}
if ("-t".equalsIgnoreCase(args[i]) && i < args.length - 1) {
tbName = args[++i];
}
}
if (host == null) {
System.out.println("Usage: java -jar JDBCConnectorChecker.jar -host <hostname>");
return;
}
JdbcChecker checker = new JdbcChecker();
checker.init();
checker.createDatabase();
checker.useDatabase();
checker.checkDropTable();
checker.createTable();
checker.checkInsert();
checker.checkSelect();
checker.checkDropTable();
checker.close();
}
}
package com.taosdata.example.jdbcTaosdemo;
import com.taosdata.example.jdbcTaosdemo.domain.JdbcTaosdemoConfig;
import com.taosdata.example.jdbcTaosdemo.task.CreateTableTask;
import com.taosdata.example.jdbcTaosdemo.task.InsertTableDatetimeTask;
import com.taosdata.example.jdbcTaosdemo.task.InsertTableTask;
import com.taosdata.example.jdbcTaosdemo.utils.ConnectionFactory;
import com.taosdata.example.jdbcTaosdemo.utils.SqlSpeller;
import com.taosdata.example.jdbcTaosdemo.utils.TimeStampUtil;
import org.apache.log4j.Logger;
import java.sql.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class JdbcTaosdemo {
private static Logger logger = Logger.getLogger(JdbcTaosdemo.class);
private final JdbcTaosdemoConfig config;
private Connection connection;
public JdbcTaosdemo(JdbcTaosdemoConfig config) {
this.config = config;
}
public static void main(String[] args) {
// parse config from args
JdbcTaosdemoConfig config = new JdbcTaosdemoConfig(args);
boolean isHelp = Arrays.asList(args).contains("--help");
if (isHelp) {
JdbcTaosdemoConfig.printHelp();
return;
}
if (config.getHost() == null) {
JdbcTaosdemoConfig.printHelp();
return;
}
JdbcTaosdemo taosdemo = new JdbcTaosdemo(config);
// establish connection
taosdemo.init();
// drop database
taosdemo.dropDatabase();
// create database
taosdemo.createDatabase();
// use db
taosdemo.useDatabase();
// create super table
taosdemo.createSuperTable();
// create sub tables
taosdemo.createTableMultiThreads();
boolean infinite = Arrays.asList(args).contains("--infinite");
if (infinite) {
logger.info("!!! Infinite Insert Mode Started. !!!");
taosdemo.insertInfinite();
} else {
// insert into table
taosdemo.insertMultiThreads();
// select from sub table
taosdemo.selectFromTableLimit();
taosdemo.selectCountFromTable();
taosdemo.selectAvgMinMaxFromTable();
// select last from
taosdemo.selectLastFromTable();
// select from super table
taosdemo.selectFromSuperTableLimit();
taosdemo.selectCountFromSuperTable();
taosdemo.selectAvgMinMaxFromSuperTable();
//select avg ,max from stb where tag
taosdemo.selectAvgMinMaxFromSuperTableWhereTag();
//select last from stb where location = ''
taosdemo.selectLastFromSuperTableWhere();
// select group by
taosdemo.selectGroupBy();
// select like
taosdemo.selectLike();
// select where ts >= ts<=
taosdemo.selectLastOneHour();
taosdemo.selectLastOneDay();
taosdemo.selectLastOneWeek();
taosdemo.selectLastOneMonth();
taosdemo.selectLastOneYear();
// drop super table
if (config.isDeleteTable())
taosdemo.dropSuperTable();
taosdemo.close();
}
}
/**
* establish the connection
*/
private void init() {
try {
Class.forName("com.taosdata.jdbc.TSDBDriver");
connection = ConnectionFactory.build(config);
if (connection != null)
logger.info("[ OK ] Connection established.");
} catch (ClassNotFoundException | SQLException e) {
logger.error(e.getMessage());
throw new RuntimeException("connection failed: " + config.getHost());
}
}
/**
* create database
*/
private void createDatabase() {
String sql = SqlSpeller.createDatabaseSQL(config.getDbName(), config.getKeep(), config.getDays());
execute(sql);
}
/**
* drop database
*/
private void dropDatabase() {
String sql = SqlSpeller.dropDatabaseSQL(config.getDbName());
execute(sql);
}
/**
* use database
*/
private void useDatabase() {
String sql = SqlSpeller.useDatabaseSQL(config.getDbName());
execute(sql);
}
/**
* create super table
*/
private void createSuperTable() {
String sql = SqlSpeller.createSuperTableSQL(config.getStbName());
execute(sql);
}
/**
* create table use super table with multi threads
*/
private void createTableMultiThreads() {
try {
final int tableSize = config.getNumberOfTable() / config.getNumberOfThreads();
List<Thread> threads = new ArrayList<>();
for (int i = 0; i < config.getNumberOfThreads(); i++) {
Thread thread = new Thread(new CreateTableTask(config, i * tableSize, tableSize), "Thread-" + i);
threads.add(thread);
thread.start();
}
for (Thread thread : threads) {
thread.join();
}
logger.info("<<< Multi Threads create table finished.");
} catch (InterruptedException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
/**
* insert data infinitely
*/
private void insertInfinite() {
try {
final long startDatetime = TimeStampUtil.datetimeToLong("2005-01-01 00:00:00.000");
final long finishDatetime = TimeStampUtil.datetimeToLong("2030-01-01 00:00:00.000");
final int tableSize = config.getNumberOfTable() / config.getNumberOfThreads();
List<Thread> threads = new ArrayList<>();
for (int i = 0; i < config.getNumberOfThreads(); i++) {
Thread thread = new Thread(new InsertTableDatetimeTask(config, i * tableSize, tableSize, startDatetime, finishDatetime), "Thread-" + i);
threads.add(thread);
thread.start();
}
for (Thread thread : threads) {
thread.join();
}
logger.info("<<< Multi Threads insert table finished.");
} catch (InterruptedException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
private void insertMultiThreads() {
try {
final int tableSize = config.getNumberOfTable() / config.getNumberOfThreads();
final int numberOfRecordsPerTable = config.getNumberOfRecordsPerTable();
List<Thread> threads = new ArrayList<>();
for (int i = 0; i < config.getNumberOfThreads(); i++) {
Thread thread = new Thread(new InsertTableTask(config, i * tableSize, tableSize, numberOfRecordsPerTable), "Thread-" + i);
threads.add(thread);
thread.start();
}
for (Thread thread : threads) {
thread.join();
}
logger.info("<<< Multi Threads insert table finished.");
} catch (InterruptedException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
private void selectFromTableLimit() {
String sql = SqlSpeller.selectFromTableLimitSQL(config.getDbName(), config.getTbPrefix(), 1, 10, 0);
executeQuery(sql);
}
private void selectCountFromTable() {
String sql = SqlSpeller.selectCountFromTableSQL(config.getDbName(), config.getTbPrefix(), 1);
executeQuery(sql);
}
private void selectAvgMinMaxFromTable() {
String sql = SqlSpeller.selectAvgMinMaxFromTableSQL("current", config.getDbName(), config.getTbPrefix(), 1);
executeQuery(sql);
}
private void selectLastFromTable() {
String sql = SqlSpeller.selectLastFromTableSQL(config.getDbName(), config.getTbPrefix(), 1);
executeQuery(sql);
}
private void selectFromSuperTableLimit() {
String sql = SqlSpeller.selectFromSuperTableLimitSQL(config.getDbName(), config.getStbName(), 10, 0);
executeQuery(sql);
}
private void selectCountFromSuperTable() {
String sql = SqlSpeller.selectCountFromSuperTableSQL(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectAvgMinMaxFromSuperTable() {
String sql = SqlSpeller.selectAvgMinMaxFromSuperTableSQL("current", config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectAvgMinMaxFromSuperTableWhereTag() {
String sql = SqlSpeller.selectAvgMinMaxFromSuperTableWhere("current", config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLastFromSuperTableWhere() {
String sql = SqlSpeller.selectLastFromSuperTableWhere("current", config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectGroupBy() {
String sql = SqlSpeller.selectGroupBy("current", config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLike() {
String sql = SqlSpeller.selectLike(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLastOneHour() {
String sql = SqlSpeller.selectLastOneHour(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLastOneDay() {
String sql = SqlSpeller.selectLastOneDay(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLastOneWeek() {
String sql = SqlSpeller.selectLastOneWeek(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLastOneMonth() {
String sql = SqlSpeller.selectLastOneMonth(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void selectLastOneYear() {
String sql = SqlSpeller.selectLastOneYear(config.getDbName(), config.getStbName());
executeQuery(sql);
}
private void close() {
try {
if (connection != null) {
this.connection.close();
logger.info("connection closed.");
}
} catch (SQLException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
/**
* drop super table
*/
private void dropSuperTable() {
String sql = SqlSpeller.dropSuperTableSQL(config.getDbName(), config.getStbName());
execute(sql);
}
/**
* execute sql, use this method when sql is create, alter, drop..
*/
private void execute(String sql) {
try (Statement statement = connection.createStatement()) {
long start = System.currentTimeMillis();
boolean execute = statement.execute(sql);
long end = System.currentTimeMillis();
printSql(sql, execute, (end - start));
} catch (SQLException e) {
logger.error("ERROR execute SQL ===> " + sql);
logger.error(e.getMessage());
e.printStackTrace();
}
}
private static void printSql(String sql, boolean succeed, long cost) {
System.out.println("[ " + (succeed ? "OK" : "ERROR!") + " ] time cost: " + cost + " ms, execute statement ====> " + sql);
}
private void executeQuery(String sql) {
try (Statement statement = connection.createStatement()) {
long start = System.currentTimeMillis();
ResultSet resultSet = statement.executeQuery(sql);
long end = System.currentTimeMillis();
printSql(sql, true, (end - start));
printResult(resultSet);
} catch (SQLException e) {
logger.error("ERROR execute SQL ===> " + sql);
logger.error(e.getMessage());
e.printStackTrace();
}
}
private static void printResult(ResultSet resultSet) throws SQLException {
ResultSetMetaData metaData = resultSet.getMetaData();
while (resultSet.next()) {
StringBuilder sb = new StringBuilder();
for (int i = 1; i <= metaData.getColumnCount(); i++) {
String columnLabel = metaData.getColumnLabel(i);
String value = resultSet.getString(i);
sb.append(columnLabel + ": " + value + "\t");
}
System.out.println(sb.toString());
}
}
}
package com.taosdata.example.jdbcTaosdemo.domain;
public final class JdbcTaosdemoConfig {
//The host to connect to TDengine. Must insert one
private String host;
//The TCP/IP port number to use for the connection. Default is 6030.
private int port = 6030;
//The TDengine user name to use when connecting to the server. Default is 'root'
private String user = "root";
//The password to use when connecting to the server. Default is 'taosdata'
private String password = "taosdata";
//Destination database. Default is 'test'
private String dbName = "test";
//keep
private int keep = 36500;
//days
private int days = 120;
//Super table Name. Default is 'meters'
private String stbName = "meters";
//Table name prefix. Default is 'd'
private String tbPrefix = "d";
//The number of tables. Default is 10.
private int numberOfTable = 10;
//The number of records per table. Default is 2
private int numberOfRecordsPerTable = 2;
//The number of records per request. Default is 100
private int numberOfRecordsPerRequest = 100;
//The number of threads. Default is 1.
private int numberOfThreads = 1;
//Delete data. Default is false
private boolean deleteTable = false;
public static void printHelp() {
System.out.println("Usage: java -jar JdbcTaosDemo.jar [OPTION...]");
System.out.println("-h host The host to connect to TDengine. you must input one");
System.out.println("-p port The TCP/IP port number to use for the connection. Default is 6030");
System.out.println("-u user The TDengine user name to use when connecting to the server. Default is 'root'");
System.out.println("-P password The password to use when connecting to the server.Default is 'taosdata'");
System.out.println("-d database Destination database. Default is 'test'");
System.out.println("-m tablePrefix Table prefix name. Default is 'd'");
System.out.println("-t num_of_tables The number of tables. Default is 10");
System.out.println("-n num_of_records_per_table The number of records per table. Default is 2");
System.out.println("-r num_of_records_per_req The number of records per request. Default is 100");
System.out.println("-T num_of_threads The number of threads. Default is 1");
System.out.println("-D delete table Delete data methods. Default is false");
System.out.println("--help Give this help list");
// System.out.println("--infinite infinite insert mode");
}
/**
* parse args from command line
*
* @param args command line args
* @return JdbcTaosdemoConfig
*/
public JdbcTaosdemoConfig(String[] args) {
for (int i = 0; i < args.length; i++) {
if ("-h".equals(args[i]) && i < args.length - 1) {
host = args[++i];
}
if ("-p".equals(args[i]) && i < args.length - 1) {
port = Integer.parseInt(args[++i]);
}
if ("-u".equals(args[i]) && i < args.length - 1) {
user = args[++i];
}
if ("-P".equals(args[i]) && i < args.length - 1) {
password = args[++i];
}
if ("-d".equals(args[i]) && i < args.length - 1) {
dbName = args[++i];
}
if ("-m".equals(args[i]) && i < args.length - 1) {
tbPrefix = args[++i];
}
if ("-t".equals(args[i]) && i < args.length - 1) {
numberOfTable = Integer.parseInt(args[++i]);
}
if ("-n".equals(args[i]) && i < args.length - 1) {
numberOfRecordsPerTable = Integer.parseInt(args[++i]);
}
if ("-r".equals(args[i]) && i < args.length - 1) {
numberOfRecordsPerRequest = Integer.parseInt(args[++i]);
}
if ("-T".equals(args[i]) && i < args.length - 1) {
numberOfThreads = Integer.parseInt(args[++i]);
}
if ("-D".equals(args[i]) && i < args.length - 1) {
deleteTable = Boolean.parseBoolean(args[++i]);
}
}
}
public String getHost() {
return host;
}
public int getPort() {
return port;
}
public String getUser() {
return user;
}
public String getPassword() {
return password;
}
public String getDbName() {
return dbName;
}
public int getKeep() {
return keep;
}
public int getDays() {
return days;
}
public String getStbName() {
return stbName;
}
public String getTbPrefix() {
return tbPrefix;
}
public int getNumberOfTable() {
return numberOfTable;
}
public int getNumberOfRecordsPerTable() {
return numberOfRecordsPerTable;
}
public int getNumberOfThreads() {
return numberOfThreads;
}
public boolean isDeleteTable() {
return deleteTable;
}
public int getNumberOfRecordsPerRequest() {
return numberOfRecordsPerRequest;
}
}
package com.taosdata.example.jdbcTaosdemo.task;
import com.taosdata.example.jdbcTaosdemo.domain.JdbcTaosdemoConfig;
import com.taosdata.example.jdbcTaosdemo.utils.ConnectionFactory;
import com.taosdata.example.jdbcTaosdemo.utils.SqlSpeller;
import org.apache.log4j.Logger;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
public class CreateTableTask implements Runnable {
private static Logger logger = Logger.getLogger(CreateTableTask.class);
private final JdbcTaosdemoConfig config;
private final int startIndex;
private final int tableNumber;
public CreateTableTask(JdbcTaosdemoConfig config, int startIndex, int tableNumber) {
this.config = config;
this.startIndex = startIndex;
this.tableNumber = tableNumber;
}
@Override
public void run() {
try {
Connection connection = ConnectionFactory.build(config);
for (int i = startIndex; i < startIndex + tableNumber; i++) {
Statement statement = connection.createStatement();
String sql = SqlSpeller.createTableSQL(i + 1, config.getDbName(), config.getStbName());
statement.execute(sql);
statement.close();
logger.info(">>> " + sql);
}
connection.close();
} catch (SQLException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
}
package com.taosdata.example.jdbcTaosdemo.task;
import com.taosdata.example.jdbcTaosdemo.domain.JdbcTaosdemoConfig;
import com.taosdata.example.jdbcTaosdemo.utils.ConnectionFactory;
import com.taosdata.example.jdbcTaosdemo.utils.SqlSpeller;
import org.apache.log4j.Logger;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
public class InsertTableDatetimeTask implements Runnable {
private static Logger logger = Logger.getLogger(InsertTableDatetimeTask.class);
private final JdbcTaosdemoConfig config;
private final int startTableIndex;
private final int tableNumber;
private final long startDatetime;
private final long finishedDatetime;
public InsertTableDatetimeTask(JdbcTaosdemoConfig config, int startTableIndex, int tableNumber, long startDatetime, long finishedDatetime) {
this.config = config;
this.startTableIndex = startTableIndex;
this.tableNumber = tableNumber;
this.startDatetime = startDatetime;
this.finishedDatetime = finishedDatetime;
}
@Override
public void run() {
try {
Connection connection = ConnectionFactory.build(config);
int valuesCount = config.getNumberOfRecordsPerRequest();
for (long ts = startDatetime; ts < finishedDatetime; ts += valuesCount) {
for (int i = startTableIndex; i < startTableIndex + tableNumber; i++) {
String sql = SqlSpeller.insertBatchSizeRowsSQL(config.getDbName(), config.getTbPrefix(), i + 1, ts, valuesCount);
Statement statement = connection.createStatement();
statement.execute(sql);
statement.close();
logger.info(Thread.currentThread().getName() + ">>> " + sql);
}
}
connection.close();
} catch (SQLException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
}
package com.taosdata.example.jdbcTaosdemo.task;
import com.taosdata.example.jdbcTaosdemo.domain.JdbcTaosdemoConfig;
import com.taosdata.example.jdbcTaosdemo.utils.ConnectionFactory;
import com.taosdata.example.jdbcTaosdemo.utils.SqlSpeller;
import org.apache.log4j.Logger;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.time.Duration;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
public class InsertTableTask implements Runnable {
private static final Logger logger = Logger.getLogger(InsertTableTask.class);
private final JdbcTaosdemoConfig config;
private final int startTbIndex;
private final int tableNumber;
private final int recordsNumberPerTable;
public InsertTableTask(JdbcTaosdemoConfig config, int startTbIndex, int tableNumber, int recordsNumberPerTable) {
this.config = config;
this.startTbIndex = startTbIndex;
this.tableNumber = tableNumber;
this.recordsNumberPerTable = recordsNumberPerTable;
}
@Override
public void run() {
try {
Connection connection = ConnectionFactory.build(config);
int keep = config.getKeep();
Instant end = Instant.now();
Instant start = end.minus(Duration.ofDays(keep - 1));
long timeGap = ChronoUnit.MILLIS.between(start, end) / (recordsNumberPerTable - 1);
// iterate insert
for (int j = 0; j < recordsNumberPerTable; j++) {
long ts = start.toEpochMilli() + (j * timeGap);
// insert data into echo table
for (int i = startTbIndex; i < startTbIndex + tableNumber; i++) {
String sql = SqlSpeller.insertBatchSizeRowsSQL(config.getDbName(), config.getTbPrefix(), i + 1, ts, config.getNumberOfRecordsPerRequest());
logger.info(Thread.currentThread().getName() + ">>> " + sql);
Statement statement = connection.createStatement();
statement.execute(sql);
statement.close();
}
}
connection.close();
} catch (SQLException e) {
logger.error(e.getMessage());
e.printStackTrace();
}
}
}
package com.taosdata.example.jdbcTaosdemo.utils;
import com.taosdata.example.jdbcTaosdemo.domain.JdbcTaosdemoConfig;
import com.taosdata.jdbc.TSDBDriver;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;
public class ConnectionFactory {
public static Connection build(JdbcTaosdemoConfig config) throws SQLException {
return build(config.getHost(), config.getPort(), config.getDbName(), config.getUser(), config.getPassword());
}
public static Connection build(String host, int port, String dbName) throws SQLException {
return build(host, port, dbName, "root", "taosdata");
}
private static Connection build(String host, int port, String dbName, String user, String password) throws SQLException {
Properties properties = new Properties();
properties.setProperty(TSDBDriver.PROPERTY_KEY_USER, user);
properties.setProperty(TSDBDriver.PROPERTY_KEY_PASSWORD, password);
properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
return DriverManager.getConnection("jdbc:TAOS://" + host + ":" + port + "/" + dbName + "", properties);
}
}
package com.taosdata.example.jdbcTaosdemo.utils;
import java.util.Random;
public class SqlSpeller {
private static final Random random = new Random(System.currentTimeMillis());
private static final String[] locations = {
"Beijing", "Shanghai", "Guangzhou", "Shenzhen",
"HangZhou", "Tianjin", "Wuhan", "Changsha", "Nanjing", "Xian"
};
public static String createDatabaseSQL(String dbName, int keep, int days) {
return "create database if not exists " + dbName + " keep " + keep + " days " + days;
}
public static String dropDatabaseSQL(String dbName) {
return "drop database if exists " + dbName;
}
public static String useDatabaseSQL(String dbName) {
return "use " + dbName;
}
public static String createSuperTableSQL(String superTableName) {
return "create table if not exists " + superTableName + "(ts timestamp, current float, voltage int, phase float) tags(location binary(64), groupId int)";
}
public static String dropSuperTableSQL(String dbName, String superTableName) {
return "drop table if exists " + dbName + "." + superTableName;
}
public static String createTableSQL(int tableIndex, String dbName, String superTableName) {
String location = locations[random.nextInt(locations.length)];
return "create table d" + tableIndex + " using " + dbName + "." + superTableName + " tags('" + location + "'," + tableIndex + ")";
}
public static String insertOneRowSQL(String dbName, String tbPrefix, int tableIndex, long ts) {
float current = 10 + random.nextFloat();
int voltage = 200 + random.nextInt(20);
float phase = random.nextFloat();
String sql = "insert into " + dbName + "." + tbPrefix + "" + tableIndex + " " + "values(" + ts + ", " + current + ", " + voltage + ", " + phase + ")";
return sql;
}
public static String insertBatchSizeRowsSQL(String dbName, String tbPrefix, int tbIndex, long ts, int valuesCount) {
float current = 10 + random.nextFloat();
int voltage = 200 + random.nextInt(20);
float phase = random.nextFloat();
StringBuilder sb = new StringBuilder();
sb.append("insert into " + dbName + "." + tbPrefix + "" + tbIndex + " " + "values");
for (int i = 0; i < valuesCount; i++) {
sb.append("(" + (ts + i) + ", " + current + ", " + voltage + ", " + phase + ") ");
}
return sb.toString();
}
public static String selectFromTableLimitSQL(String dbName, String tbPrefix, int tbIndex, int limit, int offset) {
return "select * from " + dbName + "." + tbPrefix + "" + tbIndex + " limit " + limit + " offset " + offset;
}
public static String selectCountFromTableSQL(String dbName, String tbPrefix, int tbIndex) {
return "select count(*) from " + dbName + "." + tbPrefix + "" + tbIndex;
}
public static String selectAvgMinMaxFromTableSQL(String field, String dbName, String tbPrefix, int tbIndex) {
return "select avg(" + field + "),min(" + field + "),max(" + field + ") from " + dbName + "." + tbPrefix + "" + tbIndex;
}
public static String selectFromSuperTableLimitSQL(String dbName, String stbName, int limit, int offset) {
return "select * from " + dbName + "." + stbName + " limit " + limit + " offset " + offset;
}
public static String selectCountFromSuperTableSQL(String dbName, String stableName) {
return "select count(*) from " + dbName + "." + stableName;
}
public static String selectAvgMinMaxFromSuperTableSQL(String field, String dbName, String stbName) {
return "select avg(" + field + "),min(" + field + "),max(" + field + ") from " + dbName + "." + stbName + "";
}
public static String selectLastFromTableSQL(String dbName, String tbPrefix, int tbIndex) {
return "select last(*) from " + dbName + "." + tbPrefix + "" + tbIndex;
}
//select avg ,max from stb where tag
public static String selectAvgMinMaxFromSuperTableWhere(String field, String dbName, String stbName) {
return "select avg(" + field + "),min(" + field + "),max(" + field + ") from " + dbName + "." + stbName + " where location = '" + locations[random.nextInt(locations.length)] + "'";
}
//select last from stb where
public static String selectLastFromSuperTableWhere(String field, String dbName, String stbName) {
return "select last(" + field + ") from " + dbName + "." + stbName + " where location = '" + locations[random.nextInt(locations.length)] + "'";
}
public static String selectGroupBy(String field, String dbName, String stbName) {
return "select avg(" + field + ") from " + dbName + "." + stbName + " group by location";
}
public static String selectLike(String dbName, String stbName) {
return "select * from " + dbName + "." + stbName + " where location like 'S%'";
}
public static String selectLastOneHour(String dbName, String stbName) {
return "select * from " + dbName + "." + stbName + " where ts >= now - 1h";
}
public static String selectLastOneDay(String dbName, String stbName) {
return "select * from " + dbName + "." + stbName + " where ts >= now - 1d";
}
public static String selectLastOneWeek(String dbName, String stbName) {
return "select * from " + dbName + "." + stbName + " where ts >= now - 1w";
}
public static String selectLastOneMonth(String dbName, String stbName) {
return "select * from " + dbName + "." + stbName + " where ts >= now - 1n";
}
public static String selectLastOneYear(String dbName, String stbName) {
return "select * from " + dbName + "." + stbName + " where ts >= now - 1y";
}
// select group by
// select like
// select ts >= ts<=
}
\ No newline at end of file
package com.taosdata.example.jdbcTaosdemo.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Duration;
import java.time.Instant;
import java.util.Date;
public class TimeStampUtil {
private static final String datetimeFormat = "yyyy-MM-dd HH:mm:ss.SSS";
public static long datetimeToLong(String dateTime) {
SimpleDateFormat sdf = new SimpleDateFormat(datetimeFormat);
try {
return sdf.parse(dateTime).getTime();
} catch (ParseException e) {
throw new RuntimeException(e);
}
}
public static String longToDatetime(long time) {
SimpleDateFormat sdf = new SimpleDateFormat(datetimeFormat);
return sdf.format(new Date(time));
}
public static void main(String[] args) throws ParseException {
// Instant now = Instant.now();
// System.out.println(now);
// Instant years20Ago = now.minus(Duration.ofDays(365));
// System.out.println(years20Ago);
}
}
### 设置###
log4j.rootLogger=debug,stdout,DebugLog,ErrorLog
### 输出信息到控制抬 ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n
### 输出DEBUG 级别以上的日志到=logs/error.log ###
log4j.appender.DebugLog=org.apache.log4j.DailyRollingFileAppender
log4j.appender.DebugLog.File=logs/debug.log
log4j.appender.DebugLog.Append=true
log4j.appender.DebugLog.Threshold=DEBUG
log4j.appender.DebugLog.layout=org.apache.log4j.PatternLayout
log4j.appender.DebugLog.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n
### 输出ERROR 级别以上的日志到=logs/error.log ###
log4j.appender.ErrorLog=org.apache.log4j.DailyRollingFileAppender
log4j.appender.ErrorLog.File=logs/error.log
log4j.appender.ErrorLog.Append=true
log4j.appender.ErrorLog.Threshold=ERROR
log4j.appender.ErrorLog.layout=org.apache.log4j.PatternLayout
log4j.appender.ErrorLog.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n
\ No newline at end of file
package com.taosdata.example.jdbcTaosdemo.utils;
import org.junit.Test;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Duration;
import java.time.Instant;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import static org.junit.Assert.*;
public class TimeStampUtilTest {
@Test
public void datetimeToLong() {
final String startTime = "2005-01-01 00:00:00.000";
long start = TimeStampUtil.datetimeToLong(startTime);
assertEquals(1104508800000l, start);
}
@Test
public void longToDatetime() {
String datetime = TimeStampUtil.longToDatetime(1510000000000L);
assertEquals("2017-11-07 04:26:40.000", datetime);
}
@Test
public void getStartDateTime() {
int keep = 365;
Instant end = Instant.now();
System.out.println(end.toString());
System.out.println(end.toEpochMilli());
Instant start = end.minus(Duration.ofDays(keep));
System.out.println(start.toString());
System.out.println(start.toEpochMilli());
int numberOfRecordsPerTable = 10;
long timeGap = ChronoUnit.MILLIS.between(start, end) / (numberOfRecordsPerTable - 1);
System.out.println(timeGap);
System.out.println("===========================");
for (int i = 0; i < numberOfRecordsPerTable; i++) {
long ts = start.toEpochMilli() + (i * timeGap);
System.out.println(i + " : " + ts);
}
}
}
\ No newline at end of file
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