QHSE/qhse-common/src/main/resources/mybatis/system/StudyFileRecordDao.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.rongwei.bscommon.system.dao.StudyFileRecordDao">
    <select id="selectLatestRecordByMainId" resultType="com.rongwei.bsentity.domain.StudyFileRecordDo">
        SELECT*FROM qhse_study_file_record WHERE MAINID= #{ mainId } ORDER BY CREATEDATE LIMIT 1
    </select>
</mapper>