codeigniter 3 database query code example

Example 1: codeigniter raw query

$sql="Select * from my_table where 1";    
    $query = $this->db->query($SQL);
    return $query->result_array();

Example 2: cideigniter orLike()

$this->db->like('title', 'match'); $this->db->or_like('body', $match);
// WHERE `title` LIKE '%match%' ESCAPE '!' OR  `body` LIKE '%match%' ESCAPE '!'