INSERT INTO ModelExam ( examId, title, description,
examPaperCount, examPapers, created, startTime, endTime , isOral,teacherId,examGuid,batchCode)
Values ( #{examId}, #{title}, #{description},
#{examPaperCount}, #{examPapers},current_timestamp, #{startTime}, #{endTime} ,#{isOral},#{teacherId},#{examGuid},#{batchCode} )
UPDATE ModelExam
SET examId = #{examId},
title = #{title}, description = #{description}, examPaperCount = #{examPaperCount},
examPapers = #{examPapers}, created = #{created}, startTime = #{startTime},
endTime = #{endTime} ,isOral=#{isOral},teacherId=#{teacherId},examGuid=#{examGuid},batchCode=#{batchCode}
where examId=#{examId}