下面是我的查詢的輸出電流:SELECT vans,icollaborate_id FROM mytable;
限制結果的數量接收基於列值組不組由
+==========+=====================+
| vans | icollaborate_id |
+==========+=====================+
| sachin | 10 |
| cricket | 10 |
| chess | 10 |
| male | 11 |
| 31-40 | 11 |
| sachin | 11 |
| female | 12 |
| tennis | 12 |
| 21-30 | 12 |
+----------+---------------------+
現在我想產生它返回的輸出相同,但有限制的結果。 例如,如果用戶指定limit=2
然後輸出應該如下:
與限位2
+==========+=====================+
| vans | icollaborate_id |
+==========+=====================+
| sachin | 10 |
| cricket | 10 |
| chess | 10 |
| male | 11 |
| 31-40 | 11 |
| sachin | 11 |
+----------+---------------------+
預期輸出與限3
+==========+=====================+
| vans | icollaborate_id |
+==========+=====================+
| sachin | 10 |
| cricket | 10 |
| chess | 10 |
| male | 11 |
| 31-40 | 11 |
| sachin | 11 |
| female | 12 |
| tennis | 12 |
| 21-30 | 12 |
+----------+---------------------+
請告知預期輸出。
你能提供一些樣品的結果,以澄清你想要什麼? –
我需要統計icollaborate_id的組爲1記錄的例子10是一個計數11是第二個計數 –