Java tutorial
//package com.java2s; /* * Copyright (C) 2007-2010 Inverse inc. and Ludovic Marcotte * * Author: Ludovic Marcotte <lmarcotte@inverse.ca> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ import java.sql.*; public class Main { /** * * @param conn * @param table * @param c_name */ public static void updateContentVersion(Connection conn, String table, String c_name) throws Exception { ResultSet rs; Statement s; int v; s = conn.createStatement(); rs = s.executeQuery("SELECT c_version FROM " + table + " WHERE c_name = '" + c_name + "'"); v = 1; if (rs.next()) { v = rs.getInt(1); v++; } rs.close(); s.executeUpdate("UPDATE " + table + " SET c_version = " + v + " WHERE c_name = '" + c_name + "'"); s.close(); } }