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WITH year_total AS (
SELECT
c_customer_id customer_id,
c_first_name customer_first_name,
c_last_name customer_last_name,
c_preferred_cust_flag customer_preferred_cust_flag,
c_birth_country customer_birth_country,
c_login customer_login,
c_email_address customer_email_address,
d_year dyear,
sum(((ss_ext_list_price - ss_ext_wholesale_cost - ss_ext_discount_amt) +
ss_ext_sales_price) / 2) year_total,
's' sale_type
FROM customer, store_sales, date_dim
WHERE c_customer_sk = ss_customer_sk AND ss_sold_date_sk = d_date_sk
GROUP BY c_customer_id,
c_first_name,
c_last_name,
c_preferred_cust_flag,
c_birth_country,
c_login,
c_email_address,
d_year
UNION ALL
SELECT
c_customer_id customer_id,
c_first_name customer_first_name,
c_last_name customer_last_name,
c_preferred_cust_flag customer_preferred_cust_flag,
c_birth_country customer_birth_country,
c_login customer_login,
c_email_address customer_email_address,
d_year dyear,
sum((((cs_ext_list_price - cs_ext_wholesale_cost - cs_ext_discount_amt) +
cs_ext_sales_price) / 2)) year_total,
'c' sale_type
FROM customer, catalog_sales, date_dim
WHERE c_customer_sk = cs_bill_customer_sk AND cs_sold_date_sk = d_date_sk
GROUP BY c_customer_id,
c_first_name,
c_last_name,
c_preferred_cust_flag,
c_birth_country,
c_login,
c_email_address,
d_year
UNION ALL
SELECT
c_customer_id customer_id,
c_first_name customer_first_name,
c_last_name customer_last_name,
c_preferred_cust_flag customer_preferred_cust_flag,
c_birth_country customer_birth_country,
c_login customer_login,
c_email_address customer_email_address,
d_year dyear,
sum((((ws_ext_list_price - ws_ext_wholesale_cost - ws_ext_discount_amt) + ws_ext_sales_price) /
2)) year_total,
'w' sale_type
FROM customer, web_sales, date_dim
WHERE c_customer_sk = ws_bill_customer_sk AND ws_sold_date_sk = d_date_sk
GROUP BY c_customer_id,
c_first_name,
c_last_name,
c_preferred_cust_flag,
c_birth_country,
c_login,
c_email_address,
d_year)
SELECT
t_s_secyear.customer_id,
t_s_secyear.customer_first_name,
t_s_secyear.customer_last_name,
t_s_secyear.customer_preferred_cust_flag,
t_s_secyear.customer_birth_country,
t_s_secyear.customer_login,
t_s_secyear.customer_email_address
FROM year_total t_s_firstyear, year_total t_s_secyear, year_total t_c_firstyear,
year_total t_c_secyear, year_total t_w_firstyear, year_total t_w_secyear
WHERE t_s_secyear.customer_id = t_s_firstyear.customer_id
AND t_s_firstyear.customer_id = t_c_secyear.customer_id
AND t_s_firstyear.customer_id = t_c_firstyear.customer_id
AND t_s_firstyear.customer_id = t_w_firstyear.customer_id
AND t_s_firstyear.customer_id = t_w_secyear.customer_id
AND t_s_firstyear.sale_type = 's'
AND t_c_firstyear.sale_type = 'c'
AND t_w_firstyear.sale_type = 'w'
AND t_s_secyear.sale_type = 's'
AND t_c_secyear.sale_type = 'c'
AND t_w_secyear.sale_type = 'w'
AND t_s_firstyear.dyear = 2001
AND t_s_secyear.dyear = 2001 + 1
AND t_c_firstyear.dyear = 2001
AND t_c_secyear.dyear = 2001 + 1
AND t_w_firstyear.dyear = 2001
AND t_w_secyear.dyear = 2001 + 1
AND t_s_firstyear.year_total > 0
AND t_c_firstyear.year_total > 0
AND t_w_firstyear.year_total > 0
AND CASE WHEN t_c_firstyear.year_total > 0
THEN t_c_secyear.year_total / t_c_firstyear.year_total
ELSE NULL END
> CASE WHEN t_s_firstyear.year_total > 0
THEN t_s_secyear.year_total / t_s_firstyear.year_total
ELSE NULL END
AND CASE WHEN t_c_firstyear.year_total > 0
THEN t_c_secyear.year_total / t_c_firstyear.year_total
ELSE NULL END
> CASE WHEN t_w_firstyear.year_total > 0
THEN t_w_secyear.year_total / t_w_firstyear.year_total
ELSE NULL END
ORDER BY
t_s_secyear.customer_id,
t_s_secyear.customer_first_name,
t_s_secyear.customer_last_name,
t_s_secyear.customer_preferred_cust_flag,
t_s_secyear.customer_birth_country,
t_s_secyear.customer_login,
t_s_secyear.customer_email_address
LIMIT 100
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