計算每個{country，city，year，month}組的運行總數

Question

我需要從兩個表的聯接中計算每個國家，城市，年份和月份的運行總數。所有數據的查詢都是這樣的：

編輯：與TD_MONTH表的連接操作不是必需的。

SELECT costs.CITY, 
     costs.COUNTRY, 
     months.ID, 
     costs.ID_YEAR, 
     SUM (costs.AMOUNT) AMOUNT 
    FROM TH_COSTS costs 
     JOIN 
      TD_MONTH months 
     ON (costs.ID_MES = months.YEARMONTH) 
GROUP BY costs.COUNTRY, 
     costs.CITY, 
     costs.ID_YEAR, 
     months.ID 
ORDER BY costs.COUNTRY, 
     costs.CITY, 
     costs.ID_YEAR, 
     months.ID; 

其中關於該網格的結果：上面我需要在未來的結果

+---------+--------+-------+------+-----------+ 
| Country | City | Month | Year | Amount | 
+---------+--------+-------+------+-----------+ 
| Spain | Madrid |  4 | 2014 | 396061,7 | 
| Spain | Madrid |  5 | 2014 | 315725,25 | 
| Spain | Madrid |  6 | 2014 | 16390  | 
| Spain | Madrid |  7 | 2014 | 85296  | 
| Spain | Madrid |  8 | 2014 | 10443,25 | 
| Spain | Madrid | 12 | 2014 | 17500  | 
| Spain | Madrid |  1 | 2015 | 353566 | 
| Spain | Madrid |  2 | 2015 | 382729 | 
| Spain | Madrid |  3 | 2015 | 261026 | 
| Spain | Madrid |  4 | 2015 | 304258 | 
| Spain | Madrid |  5 | 2015 | 259893 | 
| Spain | Madrid |  6 | 2015 | 217296 | 
| Spain | Madrid |  7 | 2015 | 461769 | 
| Spain | Madrid |  8 | 2015 | 456990,5 | 
| Spain | Madrid |  9 | 2015 | 219020 | 
| Spain | Madrid | 10 | 2015 | 242796 | 
| Spain | Madrid | 11 | 2015 | 134197 | 
| Spain | Madrid | 12 | 2015 | 91901,9 | 
+---------+--------+-------+------+-----------+ 

而且從一個：

+---------+--------+-------+------+-----------+ 
| Country | City | Month | Year | Amount | 
+---------+--------+-------+------+-----------+ 
| Spain | Madrid |  1 | 2014 | 0   | 
| Spain | Madrid |  2 | 2014 | 0   | 
| Spain | Madrid |  3 | 2014 | 0   | 
| Spain | Madrid |  4 | 2014 | 396061,7 | 
| Spain | Madrid |  5 | 2014 | 711786,95 | 
| Spain | Madrid |  6 | 2014 | 728176,95 | 
| Spain | Madrid |  7 | 2014 | 813472,95 | 
| Spain | Madrid |  8 | 2014 | 823916,2 | 
| Spain | Madrid |  9 | 2014 | 841416,2 | 
| Spain | Madrid | 10 | 2014 | 1194982,2 | 
| Spain | Madrid | 11 | 2014 | 1577711,2 | 
| Spain | Madrid | 12 | 2014 | 1595211,2 | 
| Spain | Madrid |  1 | 2015 | 353566 | 
| Spain | Madrid |  2 | 2015 | 736295 | 
| Spain | Madrid |  3 | 2015 | 997321 | 
| Spain | Madrid |  4 | 2015 | 1301579 | 
| Spain | Madrid |  5 | 2015 | 1561472 | 
| Spain | Madrid |  6 | 2015 | 1778768 | 
| Spain | Madrid |  7 | 2015 | 2240537 | 
| Spain | Madrid |  8 | 2015 | 2697527,5 | 
| Spain | Madrid |  9 | 2015 | 2916547,5 | 
| Spain | Madrid | 10 | 2015 | 3159343,5 | 
| Spain | Madrid | 11 | 2015 | 3293540,5 | 
| Spain | Madrid | 12 | 2015 | 3385442,4 | 
+---------+--------+-------+------+-----------+ 

編輯：在起始表格字段：

+----------+----------+--------+--------+--------+--------+-----------+---------+------+ 
| AMOUNT_1 | AMOUNT_2 | STREET | CITY 1 | MONTH | CITY 2 | CONTINENT | COUNTRY | YEAR | 
+----------+----------+--------+--------+--------+--------+-----------+---------+------+ 

首先想到的是使用四個嵌套循環，但這是一個非常耗時的解決方案。

任何想法？

Answer 1

你可以像下面這樣試試：

with test(Country, City, Year, Month,amount) as 
(
    select 'Spain', 'Madrid', 2014, 4, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 5, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 6, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 7, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 8, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 9, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 10, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 11, 1 from dual union all 
    select 'Spain', 'Madrid', 2014, 12, 1 from dual union all 
    select 'Spain', 'Madrid', 2015, 1, 1 from dual union all 
    select 'Spain', 'Madrid', 2015, 2, 1 from dual union all 
    select 'UK', 'London', 2014, 7, 10 from dual union all 
    select 'UK', 'London', 2014, 8, 10 from dual union all 
    select 'UK', 'London', 2014, 9, 10 from dual union all 
    select 'UK', 'London', 2014, 10, 10 from dual union all 
    select 'UK', 'London', 2014, 11, 10 from dual union all 
    select 'UK', 'London', 2014, 12, 10 from dual union all 
    select 'UK', 'London', 2015, 1, 10 from dual union all 
    select 'UK', 'London', 2015, 2, 10 from dual 
) 
select country, city, year, month, 
     sum(amount) over (partition by country, city, year order by month) 
from test 

它計算運行總計，排序按月份和分組按年，國家和城市