1
我有一個數據庫表,它記錄了每個user_id使用哪個site_id。每當我保存設置時,我都會收到重複的內容。我想要它,所以我可以查詢表user_id = 99,並查看哪個site_id與該user_id關聯。重複插入記錄
SQL:
$sql = "INSERT INTO user_sites (rooftop_id, site_id, created_at, active)
VALUES ('$rooftop_id','$key', now(), '$value')
ON DUPLICATE KEY
UPDATE updated_at = IF(active=VALUES(active),updated_at,NOW()),
active = VALUES(active)
";
電流輸出:
+----+---------+---------+--------+
| id | user_id | site_id | active |
+----+---------+---------+--------+
| 1 | 99 | 30 | 1 |
| 2 | 99 | 20 | 1 |
| 3 | 99 | 40 | 1 |
| 4 | 32 | 30 | 1 |
| 5 | 32 | 20 | 1 |
| 6 | 32 | 40 | 1 |
| 7 | 32 | 30 | 0 |
| 8 | 32 | 20 | 0 |
| 9 | 32 | 40 | 0 |
+----+---------+---------+--------+
所需的輸出:
+----+---------+---------+--------+
| id | user_id | site_id | active |
+----+---------+---------+--------+
| 1 | 99 | 30 | 1 |
| 2 | 99 | 20 | 1 |
| 3 | 99 | 40 | 1 |
| 4 | 32 | 30 | 0 |
| 5 | 32 | 20 | 0 |
| 6 | 32 | 40 | 0 |
+----+---------+---------+--------+
謝謝,這工作完美。 – 626