-- 日統計查詢填補 i->為時間差的天數  2022-05-10為終止時間
SET @i :=- 1;
SELECT  date_format( DATE_SUB( '2022-05-10', INTERVAL ( @i := @i + 1 ) DAY ), '%Y-%m-%d' ) AS `day`
FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc1,
(SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc2 WHERE  @i < 10 ;

SET @i :=- 1;
select x.day,ifnull(visit_pv,0) as visit_pv, ifnull(visit_uv,0) as visit_uv, ifnull(visit_uv_new,0) as visit_uv_new
from  (SELECT  date_format( DATE_SUB( '20220530', INTERVAL ( @i := @i + 1 ) DAY ), '%Y%m%d' ) AS `day`
FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc1,
(SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc2 WHERE  @i < 30 ) x
left join (select visit_pv, visit_uv, visit_uv_new,ref_date from t_access_trend_daily) d
on x.day = d.ref_date order by x.day;

-- 周統計查詢填補
SET @i :=- 1;
SELECT  date_format( DATE_SUB( '2022-06-04', INTERVAL ( @i := @i + 7 ) DAY ), '%Y-%m-%d' ) AS `week`
FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc1,
(SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc2 WHERE  @i < 100 ;

SET @i :=- 1;
select x.time,d.ref_date,ifnull(visit_pv,0) as visit_pv, ifnull(visit_uv,0) as visit_uv, ifnull(visit_uv_new,0) as visit_uv_new
from  (SELECT  date_format( DATE_SUB( '2022-06-04', INTERVAL ( @i := @i + 7 ) DAY ), '%Y-%m-%d' ) AS `time`
FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc1,
(SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc2 WHERE  @i < 40 ) x
left join (select DATE_FORMAT(DATE_SUB( ref_date, INTERVAL DAYOFWEEK( ref_date )- 1 DAY ),'%Y-%m-%d') as `week`,CONCAT(DATE_FORMAT(DATE_SUB( ref_date, INTERVAL DAYOFWEEK( ref_date )- 1 DAY ),'%Y%m%d'),"-",DATE_FORMAT(DATE_SUB( ref_date, INTERVAL DAYOFWEEK( ref_date )- 7 DAY ),'%Y%m%d')) as `ref_date`,sum(visit_pv) visit_pv,sum(visit_uv) visit_uv,sum(visit_uv_new) visit_uv_new FROM t_access_trend_daily WHERE 1 = 1 GROUP BY `week` ) d
on x.time = d.week ORDER BY x.time;


-- 月統計查詢填補
SET @i :=- 1;
SELECT  date_format( DATE_SUB( '2022-05-10', INTERVAL ( @i := @i + 1 ) MONTH ), '%Y-%m' ) AS `month`
FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc1,
(SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc2 WHERE  @i < 5 ;

SET @i :=- 1;
select x.time,ifnull(visit_pv,0) as visit_pv, ifnull(visit_uv,0) as visit_uv, ifnull(visit_uv_new,0) as visit_uv_new
from  (SELECT  date_format( DATE_SUB( '20220630', INTERVAL ( @i := @i + 1 ) MONTH ), '%Y%m' ) AS `time`
FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc1,
(SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6) xc2 WHERE  @i < 5 ) x
left join (select  DATE_FORMAT(ref_date, '%Y%m') AS `month`,sum(visit_pv) visit_pv, sum(visit_uv) visit_uv, sum(visit_uv_new) visit_uv_new
from t_access_trend_daily GROUP BY month) d
on x.time = d.month ORDER BY x.time;