Merge branch 'master' of https://github.com/apache/iotdb into try-sender

Author: Caideyipi

CONTRIBUTING.md

@@ -133,7 +133,7 @@ mvn clean package -DskipTests
 Mark `iotdb-core/antlr/target/generated-sources/antlr4` and `iotdb-protocol/thrift-datanode/target/generated-sources/thrift` as `Source Root`.
 
 * Server main function：`iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode`, can be started in debug mode.
-* Cli：`iotdb-client/cli/src/main/java/org/apache/iotdb/cli/`，Use Cli for linux and WinCli for windows, you can start directly with the parameter "`-h 127.0.0.1 -p 6667 -u root -pw root`"
+* Cli：`iotdb-client/cli/src/main/java/org/apache/iotdb/cli/`，Use Cli for linux and WinCli for windows, you can start directly with the parameter "`-h 127.0.0.1 -p 6667 -u root -pw IoTDB@2011`"
 * Server rpc implementation (mainly used for cli and server communication, generally start interruption point here):`iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/TSServiceImpl`
 * all jdbc statements：`executeStatement(TSExecuteStatementReq req)`
 * jdbc query：`executeQueryStatement(TSExecuteStatementReq req)`	

README.md

@@ -334,9 +334,9 @@ Users can start 1C1D IoTDB by the start-standalone script under the sbin folder.
 
 IoTDB offers different ways to interact with server, here we introduce the basic steps of using Cli tool to insert and query data.
 
-After installing IoTDB, there is a default user 'root', its default password is also 'root'. Users can use this
+After installing IoTDB, there is a default user 'root', its default password is 'IoTDB@2011'. Users can use this
 default user to login Cli to use IoTDB. The start-up script of Cli is the start-cli script in the folder sbin. When executing the script, user should assign
-IP, PORT, USER_NAME and PASSWORD. The default parameters are "-h 127.0.0.1 -p 6667 -u root -pw -root".
+IP, PORT, USER_NAME and PASSWORD. The default parameters are "-h 127.0.0.1 -p 6667 -u root -pw IoTDB@2011".
 
 Here is the command for starting the Cli:
 

README_ZH.md

@@ -209,9 +209,9 @@ git checkout rel/x.x
 
 IoTDB提供了与服务器交互的不同方式，这里我们将介绍使用 Cli 工具插入和查询数据的基本步骤。
 
-安装 IoTDB 后，有一个默认的用户`root`，它的默认密码也是`root`。用户可以使用这个
+安装 IoTDB 后，有一个默认的用户`root`，它的默认密码是`IoTDB@2011`。用户可以使用这个
 默认用户登录 Cli 并使用 IoTDB。Cli 的启动脚本是 sbin 文件夹中的 start-cli 脚本。
-在执行脚本时，用户应该指定 IP，端口，USER_NAME 和 密码。默认参数为`-h 127.0.0.1 -p 6667 -u root -pw root`。
+在执行脚本时，用户应该指定 IP，端口，USER_NAME 和 密码。默认参数为`-h 127.0.0.1 -p 6667 -u root -pw IoTDB@2011`。
 
 
 下面是启动 Cli 的命令:

example/client-cpp-example/src/AlignedTimeseriesSessionExample.cpp

@@ -339,7 +339,7 @@ void deleteStorageGroups() {
 int main() {
     LOG_LEVEL = LEVEL_DEBUG;
 
-    session = new Session("127.0.0.1", 6667, "root", "root");
+    session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
 
     cout << "session open\n" << endl;
     session->open(false);

example/client-cpp-example/src/SessionExample.cpp

@@ -376,7 +376,7 @@ void queryLast() {
 int main() {
     LOG_LEVEL = LEVEL_DEBUG;
 
-    session = new Session("127.0.0.1", 6667, "root", "root");
+    session = new Session("127.0.0.1", 6667, "root", "IoTDB@2011");
     session->open(false);
 
     cout << "setStorageGroup: root.sg1\n" << endl;

example/client-cpp-example/src/TableModelSessionExample.cpp

@@ -99,7 +99,7 @@ int main() {
             ->host("127.0.0.1")
             ->rpcPort(6667)
             ->username("root")
-            ->password("root")
+            ->password("IoTDB@2011")
             ->build();
 
 
@@ -165,7 +165,7 @@ int main() {
             ->host("127.0.0.1")
             ->rpcPort(6667)
             ->username("root")
-            ->password("root")
+            ->password("IoTDB@2011")
             ->database("db1")
             ->build();
 

example/jdbc/src/main/java/org/apache/iotdb/JDBCCharsetExample.java

@@ -41,7 +41,7 @@ public static void main(String[] args) throws Exception {
 
     try (final Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?charset=GB18030", "root", "root");
+                "jdbc:iotdb://127.0.0.1:6667?charset=GB18030", "root", "IoTDB@2011");
         final IoTDBStatement statement = (IoTDBStatement) connection.createStatement()) {
 
       final String insertSQLWithGB18030 =
@@ -63,7 +63,7 @@ private static void outputResult(String charset) throws SQLException {
     System.out.println("[Charset: " + charset + "]");
     try (final Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?charset=" + charset, "root", "root");
+                "jdbc:iotdb://127.0.0.1:6667?charset=" + charset, "root", "IoTDB@2011");
         final IoTDBStatement statement = (IoTDBStatement) connection.createStatement()) {
       outputResult(statement.executeQuery("select ** from root"), Charset.forName(charset));
     } catch (IoTDBSQLException e) {

example/jdbc/src/main/java/org/apache/iotdb/JDBCExample.java

@@ -39,7 +39,7 @@ public static void main(String[] args) throws ClassNotFoundException, SQLExcepti
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
     try (Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", "root");
+                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", "IoTDB@2011");
         Statement statement = connection.createStatement()) {
 
       // set JDBC fetchSize

example/jdbc/src/main/java/org/apache/iotdb/PrepareStatementDemo.java

@@ -37,7 +37,7 @@ public class PrepareStatementDemo {
   public static void main(String[] args) throws ClassNotFoundException, SQLException {
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
     try (Connection connection =
-            DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "root");
+            DriverManager.getConnection("jdbc:iotdb://127.0.0.1:6667/", "root", "IoTDB@2011");
         PreparedStatement preparedStatement =
             connection.prepareStatement(
                 "insert into root.ln.wf01.wt01(timestamp,status,temperature) values(?,?,?)")) {

example/jdbc/src/main/java/org/apache/iotdb/SyntaxConventionRelatedExample.java

@@ -69,7 +69,7 @@ public static void main(String[] args) throws ClassNotFoundException, SQLExcepti
     Class.forName("org.apache.iotdb.jdbc.IoTDBDriver");
     try (Connection connection =
             DriverManager.getConnection(
-                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", "root");
+                "jdbc:iotdb://127.0.0.1:6667?version=V_1_0", "root", "IoTDB@2011");
         Statement statement = connection.createStatement()) {
 
       // set JDBC fetchSize