#!/usr/bin/perl -w

use strict;
use DBI;
use Data::Dumper;
use POSIX qw( strftime );

my $database = 'db_name';
my $db_user = 'user';
my $db_password = 'pwd';
my $db_hostname = 'db_hostname';

my $dbh2 = DBI->connect("DBI:mysql:database=$database:host=$db_hostname",$db_user,$db_password,
    { RaiseError => 1, AutoCommit => 1, mysql_auto_reconnect => 1 } # Added AutoCommit => 1, mysql_auto_reconnect => 1 while trying to make it work
);
die "unable to connect to server $DBI::errstr" unless $dbh2;

my $sql2 = q^
    INSERT INTO table_name (col_1, col_2, col_3, col_4, col_5)
    VALUES ^;

while(my @row = $sth1->fetchrow_array){
    if ($row[3])
    {
        $sql2 .= "          ('" . $row[0] . "', '" . $row[1] . "', '" . $row[2] . "', '" . $row[3] . "', '" . $row[4] . "'),\n";
    }
    else
    {
        $sql2 .= "          ('" . $row[0] . "', '" . $row[1] . "', '" . $row[2] . "', null, '" . $row[4] . "'),\n";
    }
}
$sth1->finish();

$sql2 .= "          ('last_dummy', 'last_dummy', 'last_dummy', 'last_dummy', 'last_dummy')\n";
print localtime() . "\tThe sql2:\n$sql2\n";
my $sth2 = $dbh2->prepare($sql2);
sleep 10; # Added this later while trying to make it work
$sth2->execute(); # I get for execute.
sleep 10; # Added this later while trying to make it work
$sth2->finish();

my $sql3 = "DELETE FROM table_name WHERE col_1 = 'last_dummy'";
print localtime() . "\tThe sql3:\n$sql3\n";
my $sth3 = $dbh2->prepare($sql3);
$sth3->execute();
$sth3->finish();

$dbh2->disconnect();