[英]Codeigniter using LIKE with WHERE in SQL query
在codeigniter中,我有一個這樣的查詢:
$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();
在我的期望:
start_date <= NOW **AND** title like $keywords OR title_tw like $keywords OR title_cn like $keywords
然而,結果是:
start_date <= NOW **OR** title like $keywords OR title_tw like $keywords OR title_cn like $keywords
如何解決? 非常感謝。
更新:
實際查詢:
function search_video($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();
}
對於CodeIgniter 3.x:
您可以使用查詢分組在查詢中使用括號:
$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();
對於CodeIgniter 2.x:
雖然我還沒有測試過,但我認為這應該可行:
$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');
你可以這樣試試:
$sql = SELECT * FROM video as v where v.start_date <= NOW() AND (v.title like ? OR v.title_tw like ? or v.title_cn like ?);
$query = $this->db->query($sql, array($keywords, $keywords, $keywords));
最后我像這樣創建查詢,似乎工作正常:
function search_video($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();
}
非常感謝幫助。
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