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我有一个数据库表，某个 GUID（它是 en envoriment 变量的字符串）将被发送并插入到表中。该表确实包含多个列，但考虑到这些列可以在以后基于此唯一 ID 进行更新。但我就是无法插入表格。它说它的值必须是列表/元组/字典。我该如何解决这个问题？

deviceUID = str(socket.gethostname())

def deviceUID_check():
    try:
        sql_select_query = "Select * From kiosk_status where deviceUID = %s"
        selectuidcursor = ourdb.cursor()
        selectuidcursor.execute(sql_select_query, (deviceUID))
        record = selectuidcursor.fetchall()
        print("Found UID")
    except mysql.connector.Error as error:
        UIDinsertcursor = ourdb.cursor()
        print("Failed to get record from MySQL table: {}".format(error))
        sql = "INSERT INTO kiosk_status (deviceUID) VALUES %s"
        val = (deviceUID)
        UIDinsertcursor.execute(sql, val)
        ourdb.commit()
        print("Added a new deviceUid")

追溯：

  Message=1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''DESKTOP-6H43O5H'' at line 1
  Source=D:CLASSIFIED/Raspberry Pi Test\RaspBerry API\RaspBerry_API.py
  StackTrace:
  File "D:CLASSIFIED/Raspberry Pi Test\RaspBerry API\RaspBerry_API.py", line 52, in KIOSKUID_check
    UIDinsertcursor.execute(sql, val)
  File "D:CLASSIFIED/Raspberry Pi Test\RaspBerry API\RaspBerry_API.py", line 141, in <module> (Current frame)
    deviceUID_check()

控制台日志：

pygame 2.1.2 (SDL 2.0.18, Python 3.7.8)
Hello from the pygame community. https://www.pygame.org/contribute.html
DESKTOP-6H43O5H

无法从 MySQL 表中获取记录：无法处理参数：str(DESKTOP-6H43O5H)，它必须是 list、tuple 或 dict 类型

deviceUID = str(socket.gethostname())

新代码：

def deviceUID_check():
    try:
        sql_select_query = "Select * From kiosk_status where deviceUID = %s"
        selectuidcursor = ourdb.cursor()
        selectuidcursor.execute(sql_select_query, (deviceUID))
        record = selectuidcursor.fetchall()
        print("Found UID")
    except mysql.connector.Error as error:
        UIDinsertcursor = ourdb.cursor()
        print("Failed to get record from MySQL table: {}".format(error))
        sql = "INSERT INTO kiosk_status (deviceUID) VALUES %s"
        val = (deviceUID,)
        UIDinsertcursor.execute(sql, val)
        ourdb.commit()
        print("Added a new deviceUid")
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