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[英]Is there a way with pandas to use read_sql() with an sql-statement, that takes multiple variables?
[英]Sql-statement with variables in python
我正在嘗試通過python執行sql語句。 但這不起作用:
cursor.execute("UPDATE setting set foo=%s WHERE bar=%s", 4, str(sys.argv[1]))
這也行不通:
t = ("4",sys.argv[1])
cursor.execute('UPDATE setting set foo=? WHERE bar=?', t)
但這一項有效:
cursor.execute('UPDATE setting set foo=%s WHERE bar="something"', 3)
我究竟做錯了什么?
嘗試跑步
cursor.execute("UPDATE setting set foo=%s WHERE bar=%s", (4, str(sys.argv[1])))
如果有多個參數,則必須將其作為元組傳遞。
我認為即使只有一個,您也需要將參數作為一個元組傳遞:
cur.execute("insert into people values (?, ?)", (who, age))
要么:
cur.execute("insert into people values (?, 100)", (who,))
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