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zyyang 2021-01-27 16:07:55 +08:00
parent 2839d49757
commit 70bed13745
4 changed files with 41 additions and 52 deletions
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16
tests/examples/JDBC/JDBCDemo/pom.xml
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@ -9,6 +9,14 @@
<version>SNAPSHOT</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>com.taosdata.jdbc</groupId>
<artifactId>taos-jdbcdriver</artifactId>
<version>2.0.18</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
@ -48,12 +56,4 @@
</plugins>
</build>
<dependencies>
<dependency>
<groupId>com.taosdata.jdbc</groupId>
<artifactId>taos-jdbcdriver</artifactId>
<version>2.0.18</version>
</dependency>
</dependencies>
</project>

70
tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCDemo.java
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@ -5,7 +5,6 @@ import java.util.Properties;
public class JDBCDemo {
private static String host;
private static String driverType = "jni";
private static final String dbName = "test";
private static final String tbName = "weather";
private Connection connection;
@ -14,17 +13,10 @@ public class JDBCDemo {
for (int i = 0; i < args.length; i++) {
if ("-host".equalsIgnoreCase(args[i]) && i < args.length - 1)
host = args[++i];
if ("-driverType".equalsIgnoreCase(args[i]) && i < args.length - 1) {
driverType = args[++i];
if (!"jni".equalsIgnoreCase(driverType) && !"restful".equalsIgnoreCase(driverType))
printHelp();
}
}
if (host == null) {
printHelp();
}
JDBCDemo demo = new JDBCDemo();
demo.init();
demo.createDatabase();
@ -38,15 +30,10 @@ public class JDBCDemo {
}
private void init() {
final String url = "jdbc:TAOS://" + host + ":6030/?user=root&password=taosdata";
// get connection
try {
String url = "jdbc:TAOS://" + host + ":6030/?user=root&password=taosdata";
if (driverType.equals("restful")) {
Class.forName("com.taosdata.jdbc.rs.RestfulDriver");
url = "jdbc:TAOS-RS://" + host + ":6041/?user=root&password=taosdata";
} else {
Class.forName("com.taosdata.jdbc.TSDBDriver");
}
Class.forName("com.taosdata.jdbc.TSDBDriver");
Properties properties = new Properties();
properties.setProperty("charset", "UTF-8");
properties.setProperty("locale", "en_US.UTF-8");
@ -70,11 +57,39 @@ public class JDBCDemo {
exuete(sql);
}
private void dropTable() {
final String sql = "drop table if exists " + dbName + "." + tbName + "";
exuete(sql);
}
private void createTable() {
final String sql = "create table if not exists " + dbName + "." + tbName + " (ts timestamp, temperature float, humidity int)";
exuete(sql);
}
private void insert() {
final String sql = "insert into test.weather (ts, temperature, humidity) values(now, 20.5, 34)";
exuete(sql);
}
private void select() {
final String sql = "select * from test.weather";
executeQuery(sql);
}
private void close() {
try {
if (connection != null) {
this.connection.close();
System.out.println("connection closed.");
}
} catch (SQLException e) {
e.printStackTrace();
}
}
/************************************************************************/
private void executeQuery(String sql) {
try (Statement statement = connection.createStatement()) {
long start = System.currentTimeMillis();
@ -99,15 +114,6 @@ public class JDBCDemo {
}
}
private void insert() {
final String sql = "insert into test.weather (ts, temperature, humidity) values(now, 20.5, 34)";
exuete(sql);
}
private void createTable() {
final String sql = "create table if not exists " + dbName + "." + tbName + " (ts timestamp, temperature float, humidity int)";
exuete(sql);
}
private void printSql(String sql, boolean succeed, long cost) {
System.out.println("[ " + (succeed ? "OK" : "ERROR!") + " ] time cost: " + cost + " ms, execute statement ====> " + sql);
@ -125,22 +131,6 @@ public class JDBCDemo {
}
}
private void close() {
try {
if (connection != null) {
this.connection.close();
System.out.println("connection closed.");
}
} catch (SQLException e) {
e.printStackTrace();
}
}
private void dropTable() {
final String sql = "drop table if exists " + dbName + "." + tbName + "";
exuete(sql);
}
private static void printHelp() {
System.out.println("Usage: java -jar JdbcDemo.jar -host <hostname> -driverType <jni|restful>");
System.exit(0);

6
tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcRestfulDemo.java
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@ -14,9 +14,9 @@ public class JdbcRestfulDemo {
String url = "jdbc:TAOS-RS://" + host + ":6041/?user=root&password=taosdata";
Properties properties = new Properties();
// properties.setProperty("charset", "UTF-8");
// properties.setProperty("locale", "en_US.UTF-8");
// properties.setProperty("timezone", "UTC-8");
properties.setProperty("charset", "UTF-8");
properties.setProperty("locale", "en_US.UTF-8");
properties.setProperty("timezone", "UTC-8");
Connection conn = DriverManager.getConnection(url, properties);
Statement stmt = conn.createStatement();

1
tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/SubscribeDemo.java
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@ -13,7 +13,6 @@ public class SubscribeDemo {
public static TSDBConnection getConnection(String host, String database) throws Exception {
Class.forName("com.taosdata.jdbc.TSDBDriver");
Properties properties = new Properties();
properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
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");