sub new {
    my ( $class, $attr ) = @_;

    foreach my $col ( $class->columns ) {
        my $col_info = $class->column_info( $col );
        if (    ! defined $attr->{$col}
             && exists $col_info->{default_value}
             && ! $col_info->{is_auto_increment} )
        {
            $attr->{$col} = $col_info->{default_value};
        }
    }

    return $class->next::method( $attr );
}