取每日最新数据作为当天值

@@ -35,12 +35,16 @@ module.exports = function (dbo) {
             with days as (
                 select generate_series('2020-01-24'::date, CURRENT_DATE, '1 days')::date today
             )
+            , ta as (
+            select country, province_short_name province, update_time, confirmed_count, row_number() over(partition by country, province_short_name order by update_time desc) rn
+            from tb_mf_timeline_area
+            )
             , stats as (
-            select country, province_short_name province, d.today, max(confirmed_count) confirmed_count
+            select country, ta.province, d.today, max(confirmed_count) confirmed_count
             from days d
-            left join tb_mf_timeline_area ta on ta.update_time::date = d.today
+            left join ta on ta.update_time::date = d.today and ta.rn = 1
             where 1=1
-            and province_name ~ :province
+            and province ~ :province
             group by 1,2,3
             order by 1,2,3
             )