package com.oreilly.jent.jdbc;

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 * In general, you may use the code in this book in your programs and 
 * documentation. You do not need to contact us for permission unless 
 * you're reproducing a significant portion of the code. For example, 
 * writing a program that uses several chunks of code from this book does 
 * not require permission. Selling or distributing a CD-ROM of examples 
 * from O'Reilly books does require permission. Answering a question by 
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 * Incorporating a significant amount of example code from this book into 
 * your product's documentation does require permission.
 * 
 * We appreciate, but do not require, attribution. An attribution usually 
 * includes the title, author, publisher, and ISBN. For example: 
 * 
 *   "Java Enterprise in a Nutshell, Third Edition, 
 *    by Jim Farley and William Crawford 
 *    with Prakash Malani, John G. Norman, and Justin Gehtland. 
 *    Copyright 2006 O'Reilly Media, Inc., 0-596-10142-2."
 *  
 *  If you feel your use of code examples falls outside fair use or the 
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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class KeyGenerator { 
  public static void main(String[] args) throws Exception { 
    Class.forName("com.mysql.jdbc.Driver"); 
    Connection conn = 
      DriverManager.getConnection("jdbc:mysql://localhost/test"); 
    
    int newKey = -1; 
    Statement stmt = conn.createStatement(); 
    stmt.executeUpdate( 
                       "insert into people (fullname) values ('John Morgan')", 
                       Statement.RETURN_GENERATED_KEYS); 
    
    ResultSet keys = stmt.getGeneratedKeys(); 
    if (keys.next()) { 
      newKey = keys.getInt(1); 
    } 
    keys.close(); 
    
    System.out.println("New Key: " + newKey); 
    
    stmt.close(); 
    conn.close(); 
  } 
}