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當試圖執行以下指令時,出現錯誤:SQLError:'錯誤#3115:SQL錯誤',詳細信息:'near'WHERE':語法錯誤',操作:'execute',detailID:'2003'。有什麼想法嗎?謝謝!插入如果不存在參數?
dbStatement.text = "INSERT INTO person (idPerson,image) VALUES (:idPerson,:image) " +
"WHERE NOT EXISTS (SELECT idPerson FROM person WHERE idPerson=:idPerson)";
dbStatement.parameters[":idPerson"] = person.idPerson;
dbStatement.parameters[":image"] = person.image;
dbStatement.execute();
不幸的是繼續重複記錄。也許我做錯了? INSERT或REPLACE INTO person(idPerson,image)VALUES(:idPerson,:image) – ra00 2012-04-14 21:19:30
「idPerson」是主鍵還是UNIQUE? – Torious 2012-04-14 21:24:01
「idPerson」不是主鍵。 – ra00 2012-04-14 21:38:55