python查詢數據庫結果返回

python操做數據庫，在查詢中遇到幾個使人噁心的問題，語句都沒問題，就是報錯。python sql_user_item_operationsdays = sql_user_item_operationsdays = 'select sum(opernum) as numbers from %s where user_id=%d and behavior_type=%d and diffdays>

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