连续日期中缺失的日期为上一天数据

@@ -35,13 +35,23 @@ module.exports = function (dbo) {
             with days as (
             with days as (
                 select generate_series('2020-01-24'::date, CURRENT_DATE, '1 days')::date today
                 select generate_series('2020-01-24'::date, CURRENT_DATE, '1 days')::date today
             )
             )
-            select province_short_name, d.today, max(confirmed_count) confirmed_count
+            , stats as (
+            select province_short_name province, d.today, max(confirmed_count) confirmed_count
             from days d
             from days d
             left join tb_mf_timeline_area ta on ta.update_time::date = d.today
             left join tb_mf_timeline_area ta on ta.update_time::date = d.today
             where 1=1
             where 1=1
             and province_name ~ :province_name
             and province_name ~ :province_name
             group by 1,2
             group by 1,2
             order by 2, 1
             order by 2, 1
+            )
+            , pr as (
+                select province from  stats group by 1
+            )
+            select pr.province, d.today, COALESCE(st.confirmed_count, lag(st.confirmed_count) over(partition by pr.province order by d.today))
+            from pr
+            cross join days d
+            left join stats st on st.province = pr.province and st.today = d.today
+            order by 1,2
             `, {replacements: {province_name}, type: dbo.QueryTypes.SELECT});
             `, {replacements: {province_name}, type: dbo.QueryTypes.SELECT});
 
 
             return Result.Ok('成功!', result);
             return Result.Ok('成功!', result);
@@ -66,11 +76,11 @@ module.exports = function (dbo) {
             // 代码逻辑区域
             // 代码逻辑区域
             let result = await dbo.query(`
             let result = await dbo.query(`
             with t as (
             with t as (
-            select update_time, province_short_name, confirmed_count, suspected_count, cured_count, dead_count, "comment", cities, country, row_number() over(partition by province_short_name order by update_time desc) rn
+            select update_time, province_short_name province, confirmed_count, suspected_count, cured_count, dead_count, "comment", cities, country, row_number() over(partition by province_short_name order by update_time desc) rn
             from tb_mf_timeline_area
             from tb_mf_timeline_area
             where update_time::date = :date
             where update_time::date = :date
             )
             )
-            select update_time, province_short_name, confirmed_count, suspected_count, cured_count, dead_count, "comment", cities, country
+            select update_time, province, confirmed_count, suspected_count, cured_count, dead_count, "comment", cities, country
             from t
             from t
             where rn = 1
             where rn = 1
             order by confirmed_count desc
             order by confirmed_count desc