Codeigniter using LIKE with WHERE in SQL query
In codeigniter, I have a request like this:
$this->db->select('*', false);
$this->db->from('video as v');
$this->db->where('v.start_date <=', 'NOW()', false);
$this->db->like('v.title', $keywords);
$this->db->or_like('v.title_tw', $keywords);
$this->db->or_like('v.title_cn', $keywords);
$query = $this->db->get();
return $query->result_array();
Pending:
start_date <= NOW **AND** title like $keywords OR title_tw like $keywords OR title_cn like $keywords
However, this turns out to be:
start_date <= NOW **OR** title like $keywords OR title_tw like $keywords OR title_cn like $keywords
How to fix it? Many thanks.
Update:
Actual request:
function search_video($keywords) {
$this->db->select('v.*,t.name,t.name_tw,t.name_cn, t.image_url as profile_pic, COALESCE(b.duration, bt.duration, bc.duration) AS duration, COALESCE(b.thumbnail, bt.thumbnail, bc.thumbnail) as thumbnail', false);
$this->db->from('video as v');
$this->db->join('teacher as t', 'v.teacher_id = t.id');
$this->db->join('video_tag as vt', 'v.id = vt.video_id', 'left');
$this->db->join('brightcove as b', 'v.video = b.video_id', 'left');
$this->db->join('brightcove as bt', 'v.video_tw = bt.video_id', 'left');
$this->db->join('brightcove as bc', 'v.video_cn = bc.video_id', 'left');
$this->db->where('v.is_delete', false);
$this->db->where('v.start_date <=', 'NOW()', false);
$this->db->like('v.title', $keywords);
$this->db->or_like('v.title_tw', $keywords);
$this->db->or_like('v.title_cn', $keywords);
$this->db->or_like('vt.tag', $keywords);
$this->db->group_by('v.id');
$query = $this->db->get();
return $query->result_array();
}
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3 answers
For CodeIgniter 3.x:
You can use Grouping Queries to use parentheses in your query:
$this->db->select('v.*,t.name,t.name_tw,t.name_cn, t.image_url as profile_pic, COALESCE(b.duration, bt.duration, bc.duration) AS duration, COALESCE(b.thumbnail, bt.thumbnail, bc.thumbnail) as thumbnail', false);
$this->db->from('video as v');
$this->db->join('teacher as t', 'v.teacher_id = t.id');
$this->db->join('video_tag as vt', 'v.id = vt.video_id', 'left');
$this->db->join('brightcove as b', 'v.video = b.video_id', 'left');
$this->db->join('brightcove as bt', 'v.video_tw = bt.video_id', 'left');
$this->db->join('brightcove as bc', 'v.video_cn = bc.video_id', 'left');
$this->db->where('v.is_delete', false);
$this->db->where('v.start_date <=', 'NOW()', false);
$this->db->group_start();
$this->db->like('v.title', $keywords);
$this->db->or_like('v.title_tw', $keywords);
$this->db->or_like('v.title_cn', $keywords);
$this->db->or_like('vt.tag', $keywords);
$this->db->group_end();
$this->db->group_by('v.id');
$query = $this->db->get();
For CodeIgniter 2.x:
until I tested it, I just thought this should work:
$this->db->select('v.*,t.name,t.name_tw,t.name_cn, t.image_url as profile_pic, COALESCE(b.duration, bt.duration, bc.duration) AS duration, COALESCE(b.thumbnail, bt.thumbnail, bc.thumbnail) as thumbnail', false);
$this->db->from('video as v');
$this->db->join('teacher as t', 'v.teacher_id = t.id');
$this->db->join('video_tag as vt', 'v.id = vt.video_id', 'left');
$this->db->join('brightcove as b', 'v.video = b.video_id', 'left');
$this->db->join('brightcove as bt', 'v.video_tw = bt.video_id', 'left');
$this->db->join('brightcove as bc', 'v.video_cn = bc.video_id', 'left');
$this->db->where('v.is_delete', false);
$this->db->where('v.start_date <=', 'NOW()', false);
$this->db->where("( v.title LIKE '%{$keywords}%'", null, FALSE);
$this->db->or_like('v.title_tw', $keywords);
$this->db->or_like('v.title_cn', $keywords);
$this->db->where("OR vt.tag LIKE '%{$keywords}%' )", null, FALSE);
$this->db->group_by('v.id');
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Finally, I create a request like this, it seems to work fine:
function search_video($keywords) {
$this->db->select('v.*,t.name,t.name_tw,t.name_cn, t.image_url as profile_pic, COALESCE(b.duration, bt.duration, bc.duration) AS duration, COALESCE(b.thumbnail, bt.thumbnail, bc.thumbnail) as thumbnail', false);
$this->db->from('video as v');
$this->db->join('teacher as t', 'v.teacher_id = t.id');
$this->db->join('video_tag as vt', 'v.id = vt.video_id', 'left');
$this->db->join('brightcove as b', 'v.video = b.video_id', 'left');
$this->db->join('brightcove as bt', 'v.video_tw = bt.video_id', 'left');
$this->db->join('brightcove as bc', 'v.video_cn = bc.video_id', 'left');
$this->db->where("(v.is_delete = false AND v.start_date <= NOW()) AND (v.title LIKE '$keywords' OR v.title_tw LIKE '$keywords' OR v.title_cn LIKE '$keywords' OR vt.tag LIKE '$keywords')");
$this->db->group_by('v.id');
$query = $this->db->get();
return $query->result_array();
}
Many thanks for the help.
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