INSERT INTO xkw_answer( xkw_answerid, uid, questionid, answer, created, areaid,isright,bookId,unitId,lessonId) VALUES (#{xkwAnswerId},#{uid}, #{questionId}, #{answer}, #{created}, #{areaId},#{isRight},#{bookId},#{unitId},#{lessonId}) INSERT INTO xkw_lastanswer (uid, questionId, answer, created, areaId, isRight) VALUES (#{uid}, #{questionId}, #{answer}, #{created}, #{areaId}, #{isRight}) ON CONFLICT (uid, questionId) DO UPDATE SET answer = EXCLUDED.answer, created = EXCLUDED.created, areaId = EXCLUDED.areaId, isRight = EXCLUDED.isRight INSERT INTO xkw_assignanswer (uid, assignmentId, questionId, answer, created, areaId, isRight) VALUES (#{uid},#{assignmentId}, #{questionId}, #{answer}, #{created}, #{areaId}, #{isRight}) ON CONFLICT (uid, assignmentId,questionId,areaId) DO UPDATE SET answer = EXCLUDED.answer, created = EXCLUDED.created, isRight = EXCLUDED.isRight SELECT NEXTVAL('seq_xkw_answerid') select * from xkw_answer where questionId = #{questionId} and uid = #{uid} order by created desc limit 1 select aa.uid,s.trueName,aa.answer AS userAnswer from xkw_assigntoclass ac INNER JOIN classes c on ac.classesId = c.classesId and c.status = 1 INNER JOIN studentownclass st on c.classesId = st.classesId and st.status =1 and st.areaId = #{areaId} INNER JOIN student s on st.studentid = s.studentid and s.status = 1 and s.areaId = #{areaId} INNER JOIN xkw_assignanswer aa on aa.uid = s.studentid where ac.classesId = #{classesId} and ac.assignmentId = #{assignmentId} and aa.assignmentId = #{assignmentId} and aa.questionId = #{questionId}