--!syntax_pg
--TPC-DS Q30

-- start query 1 in stream 0 using template ../query_templates/query30.tpl
with customer_total_return as
 (select wr_returning_customer_sk as ctr_customer_sk
        ,ca_state as ctr_state, 
 	sum(wr_return_amt) as ctr_total_return
 from plato.web_returns
     ,plato.date_dim
     ,plato.customer_address
 where wr_returned_date_sk = d_date_sk 
   and d_year =2002
   and wr_returning_addr_sk = ca_address_sk 
 group by wr_returning_customer_sk
         ,ca_state)
  select  c_customer_id,c_salutation,c_first_name,c_last_name,c_preferred_cust_flag
       ,c_birth_day,c_birth_month,c_birth_year,c_birth_country,c_login,c_email_address
       ,c_last_review_date,ctr_total_return
 from customer_total_return ctr1
     ,plato.customer_address
     ,plato.customer
 where ctr1.ctr_total_return > (select avg(ctr_total_return)*1.2::numeric
 			  from customer_total_return ctr2 
                  	  where ctr1.ctr_state = ctr2.ctr_state)
       and ca_address_sk = c_current_addr_sk
       and ca_state = 'IL'
       and ctr1.ctr_customer_sk = c_customer_sk
 order by c_customer_id,c_salutation,c_first_name,c_last_name,c_preferred_cust_flag
                  ,c_birth_day,c_birth_month,c_birth_year,c_birth_country,c_login,c_email_address
                  ,c_last_review_date,ctr_total_return
limit 100;

-- end query 1 in stream 0 using template ../query_templates/query30.tpl