SELECT 
  cscart_discussion.object_id AS product_id, 
  AVG(
    cscart_discussion_rating.rating_value
  ) AS average_rating, 
  cscart_discussion.type AS discussion_type, 
  cscart_discussion.thread_id AS discussion_thread_id 
FROM 
  cscart_discussion 
  LEFT JOIN cscart_discussion_posts ON cscart_discussion_posts.thread_id = cscart_discussion.thread_id 
  AND cscart_discussion_posts.status = "A" 
  LEFT JOIN cscart_discussion_rating ON cscart_discussion.thread_id = cscart_discussion_rating.thread_id 
  AND cscart_discussion_rating.post_id = cscart_discussion_posts.post_id 
  AND cscart_discussion_rating.rating_value != 0 
WHERE 
  cscart_discussion.object_id IN (
    10167, 10152, 10168, 10148, 10145, 10170, 
    10147, 10143, 10146, 10153, 10144, 
    10150, 10151, 10149, 10154, 10156, 
    10169, 10171
  ) 
  AND cscart_discussion.object_type = "P" 
  AND cscart_discussion.company_id = 3 
GROUP BY 
  cscart_discussion.object_id