#!/usr/bin/perl
use warnings;
use strict;
use MySQL::Backup;
use Mail::Sender;
open my $tmp_sql, '>', "backup.sql";
my $mb = new MySQL::Backup('dbname', 'localhost', 'dbuser', 'dbpasswd', {'USE_REPLACE' => 1, 'SHOW_TABLE_NAMES' => 1});
print $tmp_sql $mb->create_structure();
print $tmp_sql $mb->data_backup();
close $tmp_sql;
my $sender = new Mail::Sender { smtp    => 'smtp.163.com',
                                from    => '[email protected]',
#                                debug   => 'backup_debug.log',
                                auth    => 'LOGIN',
                                authid  => 'mailuser',
                                authpwd => 'mailpasswd',
                              };
$sender->MailFile({ to      => '[email protected]',
                    subject => 'Backup Blog SQL_'.time(),
                    msg     => '3Q',
                    file    => 'backup.sql',});

DROP TABLE IF EXISTS `tablename`;
CREATE TABLE `tablename`(ID INT NOT NULL ...);
LOCK TABLES `tablename` WARITE;
INSERT INTO `tablename` VALUES(...),(...),(...);
UNLOCK TABLES;

CREATE TABLE `tablename`(ID INT NOT NULL ...);
REPLACE INTO `tablename`(ID,...)VALUES(1,...);
REPLACE INTO `tablename`(ID,...)VALUES(2,...);