1
我試圖從一個表(user_tranz)獲得聚合值,並且希望存儲以更新/插入到另一個表(用戶)基於用戶的(ID在發現user_tranz 有這些2 MySQL表結構:更新一個基於另一個ID表匹配的MySQL表值基於點聚合的
1-用戶:
id coin buy added free pay_later renewed pro
=========== ==== ===== ====== ==== =========== ========== ===
1 0 0 0 0 0 0 0
2 0 0 0 0 0 0 0
3 0 0 0 0 0 0 0
2- user_tranz:
id (AI) user_id coin buy added free pay_later renewed pro
========== =========== ==== ===== ====== ==== =========== ========== ===
99 1 10 5 10 10 20 50 100
98 2 5 5 10 10 20 50 10
97 3 5 5 10 10 20 50 25
96 3 0 0 10 10 20 50 10
95 3 10 5 0 0 20 50 5
94 2 10 5 10 10 20 50 10
到目前爲止,我知道這可以通過這樣的完成(LEFT JOIN與COALESCE()),但我不知道如何在一次使用連接
得到的值比存儲多個聚集預期結果:
Users:
id coin buy added free pay_later renewed pro
=========== ==== ===== ====== ==== =========== ========== ===
1 10 5 10 10 20 50 100
2 15 10 20 20 40 100 20
3 15 10 20 20 60 150 40
你能描述一下你期望的結果嗎? –
@TamasRev - 新增預期的結果 –