codeigniter mysql活动记录

Question

SELECT COUNT(*) AS numrows 
FROM (
books 
) 
WHERE (
id_status =1 
OR id_status =2 
) 
AND company =2 

如何转换为CI活动记录？

Answer 1

$this->db->select('count(*) as numrows')->from('books ')->where("(id_status='1' OR id_status='2') and company ='2'")