//************************************************************************************
//
// Copyright (c) 2004-2008 by Teradata Corporation
// All Rights Reserved
//
// TERADATA CORPORATION CONFIDENTIAL AND TRADE SECRET
//
//************************************************************************************
//
// File: T21100JD.java
// Header: none
// Purpose: Demonstrate retrieval and modification of connection
// options
// The program will:
// - Connect as user guest/please
// - Obtain, display, and change connection autocommit
// - settings
// - Disconnect.
//
// JDBC API: java.sql.Connection, java.sql.Connection.getAutoCommit,
// java.sql.Connection.setAutoCommit
//
// Version: Updated for Teradata V2R6
//
//************************************************************************************
import java.sql.*;
public class T21100JD
{
// Name of the user able to create, drop, and manipulate tables
public static String sUser = "guest";
public static String sPassword = "please";
public static void main(String args[])
throws ClassNotFoundException
{
// Creation of URL to be passed to the JDBC driver
String url = "jdbc:teradata://whomooz/TMODE=ANSI,CHARSET=UTF8";
try
{
System.out.println(" Sample T21100JD: ");
System.out.println(" Looking for the Teradata JDBC driver... ");
// Loading the Teradata JDBC driver
Class.forName("com.teradata.jdbc.TeraDriver");
System.out.println(" JDBC driver loaded. ");
// Attempting to connect to Teradata
System.out.println(" Attempting to connect to Teradata via" +
" the JDBC driver...");
// Creating a connection object
Connection con = DriverManager.getConnection(url, sUser, sPassword);
System.out.println(" User " + sUser + " connected.");
System.out.println(" Connection to Teradata established. ");
try
{
// The following code will get and set connection options.
// Only getAutoCommit/setAutoCommit methods will be
// demonstrated in this example. Please note that the
// settings apply to and affect the current connection
// only. Please refer to the supporting driver documentation
// for a full list of supported methods, their implementations,
// and their return values.
System.out.println(" Retrieving and modifying autocommit"
+ " settings:");
// Retrieve the current/default value of the autocommit setting,
// a true value is expected
boolean commit = con.getAutoCommit();
System.out.println(" Default (current) autocommit value : "
+ commit);
// Change the default autocommit value
commit = false;
System.out.println(" Setting the autocommit value to : " +
commit);
con.setAutoCommit(commit);
// Retrieve and display the new autocommit value
System.out.println(" New autocommit value : "
+ con.getAutoCommit());
}
finally
{
// Close the connection
System.out.println(" Closing connection to Teradata...");
con.close();
System.out.println(" Connection to Teradata closed. ");
}
System.out.println(" Sample T21100JD finished. ");
}
catch (SQLException ex)
{
// A SQLException was generated. Catch it and display
// the error information.
// Note that there could be multiple error objects chained
// together.
System.out.println();
System.out.println("*** SQLException caught ***");
while (ex != null)
{
System.out.println(" Error code: " + ex.getErrorCode());
System.out.println(" SQL State: " + ex.getSQLState());
System.out.println(" Message: " + ex.getMessage());
ex.printStackTrace();
System.out.println();
ex = ex.getNextException();
}
throw new IllegalStateException ("Sample failed.") ;
}
} // End main
} // End class T21100JD
|
|
|
|