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TimezoneDump.java
资源名称:bookshop.zip [点击查看]
上传用户:sxlinghang
上传日期:2022-07-20
资源大小:1405k
文件大小:2k
源码类别:
数据库编程
开发平台:
Java
- /*
- Copyright (C) 2002 MySQL AB
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- package com.mysql.jdbc.util;
- import java.sql.DriverManager;
- import java.sql.ResultSet;
- import com.mysql.jdbc.TimeUtil;
- /**
- * Dumps the timezone of the MySQL server represented by the
- * JDBC url given on the commandline (or localhost/test if
- * none provided).
- *
- * @author Mark Matthews
- */
- public class TimezoneDump {
- private static final String DEFAULT_URL = "jdbc:mysql:///test";
- /**
- * Constructor for TimezoneDump.
- */
- public TimezoneDump() {
- super();
- }
- /**
- * Entry point for program when called from the command line.
- *
- * @param args command-line args. Arg 1 is JDBC URL.
- * @throws Exception if any errors occur
- */
- public static void main(String[] args) throws Exception {
- String jdbcUrl = DEFAULT_URL;
- if (args.length == 1 && args[0] != null) {
- jdbcUrl = args[0];
- }
- Class.forName("com.mysql.jdbc.Driver").newInstance();
- ResultSet rs = DriverManager.getConnection(jdbcUrl).createStatement().executeQuery("SHOW VARIABLES LIKE 'timezone'");
- while (rs.next()) {
- String timezoneFromServer = rs.getString(2);
- System.out.println("MySQL timezone name: " + timezoneFromServer);
- String canonicalTimezone = TimeUtil.getCanoncialTimezone(timezoneFromServer);
- System.out.println("Java timezone name: " + canonicalTimezone);
- }
- }
- }