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我想創建一個使用java的SQL語句。問題是我使用PostgreSQL提示:您將需要重寫或轉換表達式。列「狀態」是類型的狀態,但表達式是字符變化的
stmt.setString(9, ev.getState().status());
一個變量我試圖插入型狀態的SQL列
CREATE TYPE STATUS AS ENUM ('APPROVED', 'CLOSED','STARTED', 'WAITING');
它扔我的
column "state" is of type status but expression is of type character varying
Hint: You will need to rewrite or cast the expression.
異常難道我犯了一個錯誤,或者我真的需要在sql中輸入值嗎?如果是的話,那麼在這種情況下如何施展?
聲明全文:
PreparedStatement stmt = conn.prepareStatement("INSERT INTO Event (EventNum, EventName, startHour, endHour, startMin, endMin, startDate, endDate, State, depName) VALUES (?, ?, ?, ?, ?, ?, ?::date, ?::date, ?, ?)");
stmt.setInt(1, ev.getEventNum());
stmt.setString(2, ev.getName());
stmt.setInt(3, ev.getStartHour());
stmt.setInt(4, ev.getEndHour());
stmt.setInt(5, ev.getStartMinute());
stmt.setInt(6, ev.getEndMinute());
stmt.setString(7, ev.getStartYear() + "-" + ev.getStartMonth() + "-" + ev.getStartDate());
stmt.setString(8, ev.getEndYear() + "-" + ev.getEndMonth() + "-" + ev.getEndDate());
stmt.setString(9, ev.getState().status());
stmt.setString(10, ev.getDepartment());
stmt.executeUpdate();