package MyModule::DBI;

use base Class::DBI;

use warnings;
use strict;

our $VERSION = '0.01';

my $dsn = "dbi:SQLite:dbname=/path/to/db";

__PACKAGE__ -> set_db('Main', $dsn);

1;

##</code><code>##

package MyModule::Data;

use base MyModule::DBI;

use warnings;
use strict;

our $VERSION = '0.01';

__PACKAGE__ -> table('data');
__PACKAGE__ -> columns(All => qw(column1 column2 column3));

1;

##</code><code>##

package MyModule;

use MyModule::Data;

use warnings;
use strict;

our $VERSION = '0.01';

sub new {
	my ($class, %args) = @_;
 
	my $self = bless({%args}, $class);

	return $self;
}

1;

##</code><code>##

use MyModule;

my $obj = MyModule -> new(db_path => '/path/to/file');