0
任何人都可以知道如何這個MySQL查詢轉換爲火力數據庫查詢(安卓)Coverting MySQL查詢火力數據庫
SELECT * FROM chat_info
WHERE receiver = '$sender'
and sender= '$receiver'
UNION
SELECT *
FROM chat_info
WHERE sender='$sender'
and receiver='$receiver'
ORDER BY sno
DESC
需要看你的火力地堡結構,如文本請,沒有圖像或鏈接。此外,請查看[我可以詢問什麼主題?](https://stackoverflow.com/help/on-topic)和[如何創建最小,完整和可驗證示例](https:// stackoverflow。 COM /幫助/ MCVE) – Jay