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Proper use of join

I got a problem - when i use code like this one
$this->db->select('u.id, u.username, c.name', false);
$this->db->from('user as u');
$this->db->join('companies as c', 'u.company_id = c.id');
$this->db->where('LOWER(u.username)=', strtolower('foobar'));
$query = $this->db->get();

i loose all my id.
I tried to change names of id fields to something like user_id, but CI don't work well without column named precisely id.

How to don't loose id field?
And is possible to get an object representation after a querry that uses a join statement?

(This post was last modified: 10-17-2017, 10:11 AM by glorsh66.)

Or it would be better just use a second query?

I think you're looking for

PHP Code:
select('u.id AS user_id, ...'

Although, I'm only seeing where you would get u.id anyway, you've not called for any other ids in the select statement. 

To get the result object:

PHP Code:
$obj $this->db->result() // or row() 

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