Batch Update: transaction : SQL Update « Database SQL JDBC « Java






Batch Update: transaction

Batch Update: transaction
/*
Copyright 2003 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
Use of this software is authorized pursuant to the terms of the license found at
http://developer.java.sun.com/berkeley_license.html.

Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.  
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met: 

- Redistribution of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.

- Redistribution in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

Neither the name of Sun Microsystems, Inc. or the names of contributors may 
be used to endorse or promote products derived from this software without
specific prior written permission.

This software is provided "AS IS," without a warranty of any kind.  
ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICORSYSTEMS, INC. ("SUN")
AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
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*/

/*
 * Copyright 2003 Sun Microsystems, Inc.  ALL RIGHTS RESERVED.
 * Use of this software is authorized pursuant to the terms of the license found at
 * http://developer.java.sun.com/berkeley_license.html.
 */ 
import java.sql.*;

public class BatchUpdate {

  public static void main(String args[]) throws SQLException {

    ResultSet rs = null;
    PreparedStatement ps = null;

    String url = "jdbc:mySubprotocol:myDataSource";

    Connection con;
    Statement stmt;
    try {

      Class.forName("myDriver.ClassName");

    } catch(java.lang.ClassNotFoundException e) {
      System.err.print("ClassNotFoundException: ");
      System.err.println(e.getMessage());
    }

    try {

      con = DriverManager.getConnection(url,
                  "myLogin", "myPassword");
      con.setAutoCommit(false);

      stmt = con.createStatement();  

      stmt.addBatch("INSERT INTO COFFEES " + 
         "VALUES('Amaretto', 49, 9.99, 0, 0)");
      stmt.addBatch("INSERT INTO COFFEES " +
        "VALUES('Hazelnut', 49, 9.99, 0, 0)");
      stmt.addBatch("INSERT INTO COFFEES " +
        "VALUES('Amaretto_decaf', 49, 10.99, 0, 0)");
      stmt.addBatch("INSERT INTO COFFEES " +
        "VALUES('Hazelnut_decaf', 49, 10.99, 0, 0)");

      int [] updateCounts = stmt.executeBatch();
      con.commit();
      con.setAutoCommit(true);

      ResultSet uprs = stmt.executeQuery("SELECT * FROM COFFEES");

      System.out.println("Table COFFEES after insertion:");
      while (uprs.next()) {
        String name = uprs.getString("COF_NAME");
        int id = uprs.getInt("SUP_ID");
        float price = uprs.getFloat("PRICE");
        int sales = uprs.getInt("SALES");
        int total = uprs.getInt("TOTAL");
        System.out.print(name + "   " + id + "   " + price);
        System.out.println("   " + sales + "   " + total);
      }

      uprs.close();
      stmt.close();
      con.close();

    } catch(BatchUpdateException b) {
      System.err.println("-----BatchUpdateException-----");
      System.err.println("SQLState:  " + b.getSQLState());
      System.err.println("Message:  " + b.getMessage());
      System.err.println("Vendor:  " + b.getErrorCode());
      System.err.print("Update counts:  ");
      int [] updateCounts = b.getUpdateCounts();
      for (int i = 0; i < updateCounts.length; i++) {
        System.err.print(updateCounts[i] + "   ");
      }
      System.err.println("");

    } catch(SQLException ex) {
      System.err.println("-----SQLException-----");
      System.err.println("SQLState:  " + ex.getSQLState());
      System.err.println("Message:  " + ex.getMessage());
      System.err.println("Vendor:  " + ex.getErrorCode());
    }
  }
}






           
       








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