mysql 事务控制

#!/usr/bin/perl 
use DBI;
$db_name='zjzc';
$ip='127.0.0.1';
$user="root";
$passwd="1234567";
$dbh="";
$dbh = DBI->connect("dbi:mysql:database=$db_name;host=$ip;port=3306",$user,$passwd,{
                          RaiseError => 1,
                          AutoCommit => 0
                        }) or die "can't connect to database ". DBI-errstr;
eval{
$dbh->do("insert into test values('$ARGV[0]')") ;
sleep (100);
$dbh->commit();};
if( $@ ) {
    #warn "Database error: $DBI::errstr\n";
             $dbh->rollback(); #just die if rollback is failing 
             };
                     $dbh->disconnect; 
slave:/root/check#