SQL查詢返回按日期排序的SUMS和計數

Question

我有以下兩個表：

表1 表2

我想做的是有一個查詢，該查詢返回每個日期的總和為PIT_VALORTOTAL，PIT_VOLUME和PED_IDPESSOA。 到目前為止，我有：

SELECT SUM(PIT_VALORTOTAL) AS VALORTOTAL, SUM(PIT_VOLUME) AS VOLUME, COUNT(DISTINCT PED_IDPESSOA) AS PESSOA FROM PEDIDOS_ITENS INNER JOIN PEDIDOS ON PIT_IDPEDIDO = PED_ID;

它正確地返回了總和和計數，但是我不知道如何分別獲取每個日期的線索。 所以我有這個：

VALORTOTAL       | VOLUME             | PESSOA  |
49783.2000000    |       679780.360000|   11    |

我想要的是這樣的：

| DATE      | VALORTOTAL    | VOLUME     | PESSOA  |
| 2017-09-03| 1012,00       |       1209 |   12    |
| 2017-09-03| 2012,00       |       1450 |   10    |
| 2017-09-03| 3016,00       |       2500 |   20    | 
| 2017-09-03| 3016,00       |       3200 |   5     |
| 2017-09-03| 2016,00       |       4000 |   9     |

Answer 1

您只需要按group by ：

SELECT PED_DATA, SUM(PIT_VALORTOTAL) AS VALORTOTAL, SUM(PIT_VOLUME) AS VOLUME,
       COUNT(DISTINCT PED_IDPESSOA) AS PESSOA
FROM PEDIDOS_ITENS pi INNER JOIN
     PEDIDOS p
     ON PIT_IDPEDIDO = PED_ID
GROUP BY PED_DATA
ORDER BY PED_DATA