selectproduct_id,ctr,cart_rate,payment_rate,refund_ratefrom(select product_id,event_time,if(count(event_time)=0,0,round(sum(if_click)/count(*),3)) ctr,if(sum(if_click)=0,0,round(sum(if_cart)/sum(if_click),3)) cart_rate,if(sum(if_cart)=0,0,round(sum(if_payment)/sum(if_cart),3)) payment_rate,if(sum(if...