INSERT INTO ClassMessage ( classMessageId, content, teacherId, created, startTime, endTime, status , areaid ,source ,isExam ) Values ( #{classMessageId}, #{content}, #{teacherId}, current_timestamp, #{startTime}, #{endTime}, #{status} , #{areaid},#{source},#{isExam} ) UPDATE ClassMessage SET content = #{content}, teacherId = #{teacherId}, created = #{created}, startTime = #{startTime}, endTime = #{endTime}, status = #{status} , areaid = #{areaid},source =#{source},isExam=#{isExam} WHERE classMessageId=#{classMessageId} SELECT classMessageId , content , teacherId , created , startTime , endTime , status ,source, areaid, isExam FROM ClassMessage WHERE classMessageId=#{classMessageId} SELECT nextval('seq_classMessageId') SELECT count(*) as howmuch FROM ClassMessage WHERE teacherId=#{teacherId} and isExam=0 and status = 1 and areaid = #{areaid} SELECT classMessageId , content , teacherId , created , startTime , endTime , status , areaid ,source FROM ClassMessage WHERE teacherId=#{teacherId} and status = 1 and areaid = #{areaid} and isExam=0 ORDER BY classMessageId desc LIMIT #{pageSize} OFFSET #{offset} UPDATE ClassMessage SET status = 0 WHERE classMessageId in #{item} SELECT count(*) as howmuch FROM ClassOwnMessage a INNER JOIN ClassMessage b ON a.classesId = #{classesId} and a.classMessageId = b.classMessageId and b.source=1 and b.isExam=#{isExam} WHERE b.status = 1 SELECT b.classMessageId , b.content , b.teacherId , b.created , b.startTime , b.endTime , b.status , b.areaid FROM ClassOwnMessage a INNER JOIN ClassMessage b ON a.classesId = #{classesId} and a.classMessageId = b.classMessageId and b.source=1 and b.isExam=#{isExam} WHERE b.status = 1 ORDER BY b.classMessageId desc LIMIT #{pageSize} OFFSET #{offset} SELECT b.classMessageId , b.content , b.teacherId , b.created , b.startTime , b.endTime , b.status , b.areaid FROM ClassOwnMessage a INNER JOIN ClassMessage b ON a.classesId = #{classesId} AND a.classMessageId = b.classMessageId and b.source=1 ORDER BY b.classMessageId desc LIMIT 1 SELECT b.classMessageId , b.content , b.teacherId , b.created , b.startTime , b.endTime , b.status , b.areaid FROM ClassOwnMessage a INNER JOIN ClassMessage b ON a.classMessageId = b.classMessageId and b.status = 1 and b.source=1 INNER JOIN StudentOwnClass s ON s.classesid = a.classesid and s.studentid = #{studentId} ORDER BY b.classMessageId desc LIMIT 1 SELECT classMessageId , content , teacherId , created , startTime , endTime , status , areaid FROM ClassMessage WHERE teacherId=0 and status = 1 and source=2 ORDER BY classMessageId desc LIMIT #{pageSize} OFFSET #{offset} SELECT count(classMessageId) FROM ClassMessage WHERE teacherId=0 and status=1 and source=2 SELECT count(distinct b.classMessageId) FROM ClassOwnMessage a INNER JOIN ClassMessage b ON a.classMessageId = b.classMessageId and b.status = 1 and b.source=1 and b.isExam=0 and a.classMessageId >58320 and a.classMessageId in #{item} INNER JOIN StudentOwnClass s ON s.classesid = a.classesid and s.studentid = #{studentId} SELECT distinct on (b.classMessageId) b.classMessageId , b.content , b.teacherId , b.created , b.startTime , b.endTime , b.status , b.areaid FROM ClassOwnMessage a INNER JOIN ClassMessage b ON a.classMessageId = b.classMessageId and b.status = 1 and b.source=1 and b.isExam=0 and a.classMessageId >58320 and a.classMessageId in #{item} INNER JOIN StudentOwnClass s ON s.classesid = a.classesid and s.studentid = #{studentId} ORDER BY b.classMessageId desc limit #{pageSize} offset #{offset} SELECT classMessageId , content , teacherId , created , startTime , endTime , status , areaid ,source FROM ClassMessage WHERE teacherId=#{teacherId} and status = 1 and isExam=0 and classMessageId >58320 and classMessageId not in #{item} ORDER BY classMessageId desc limit #{pageSize} offset #{offset} SELECT count(classMessageId) FROM ClassMessage WHERE teacherId=#{teacherId} and status = 1 and isExam=0 and classMessageId >58320 and classMessageId in #{item}