使用Grocery CRUD CodeIgniter获取自定义字段值

Question

How can i get value of a field from another table on my method? and of course i have the primary key of its table. i want to do something in add/edit action like this

if(is_empty(value_field_from_another_table)){
    $crud->edit_fields('first','second');
    $crud->add_fields('first','second');
}else{
    $crud->edit_fields('first');
    $crud->add_fields('first');
}

Answer 1

$query = $this->db->get_where('mytable', array('id' => $id), $limit, $offset);

or

$query = $this->db->get('mytable');


foreach ($query->result() as $row)
{
    echo $row->title;
}