cooleshow/cooleshow-user/user-biz/src/main/resources/config/mybatis/VideoLessonGroupMapper.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.yonge.cooleshow.biz.dal.dao.VideoLessonGroupDao">
	<resultMap id="BaseResultMap" type="com.yonge.cooleshow.biz.dal.entity.VideoLessonGroup">
		<id column="id_" jdbcType="BIGINT" property="id" />
		<result column="lesson_name_" jdbcType="VARCHAR" property="lessonName" />
		<result column="lesson_subject_" jdbcType="VARCHAR" property="lessonSubject" />
		<result column="lesson_desc_" jdbcType="VARCHAR" property="lessonDesc" />
		<result column="lesson_price_" jdbcType="INTEGER" property="lessonPrice" />
		<result column="lesson_cover_url_" jdbcType="VARCHAR" property="lessonCoverUrl" />
		<result column="teacher_id_" jdbcType="BIGINT" property="teacherId" />
		<result column="lesson_count_" jdbcType="INTEGER" property="lessonCount" />
		<result column="sort_number_" jdbcType="INTEGER" property="sortNumber" />
		<result column="lesson_tag_" jdbcType="VARCHAR" property="lessonTag" />
		<result column="top_flag_" jdbcType="TINYINT" property="topFlag" />
		<result column="hot_flag_" jdbcType="TINYINT" property="hotFlag" />
		<result column="audit_status_" jdbcType="TINYINT" property="auditStatus" />
		<result column="create_time_" jdbcType="TIMESTAMP" property="createTime" />
		<result column="update_time_" jdbcType="TIMESTAMP" property="updateTime" />
	</resultMap>

	<sql id="baseColumns">
		g.id_ AS id,
		g.lesson_name_ AS lessonName,
		g.lesson_subject_ AS lessonSubject,
		g.lesson_desc_ AS lessonDesc,
		g.lesson_price_ AS lessonPrice,
		g.lesson_cover_url_ AS lessonCoverUrl,
		g.teacher_id_ AS teacherId,
		g.lesson_count_ AS lessonCount,
		g.sort_number_ AS sortNumber,
		g.lesson_tag_ AS lessonTag,
		g.top_flag_ AS topFlag,
		g.hot_flag_ AS hotFlag,
		g.audit_status_ AS auditStatus,
		g.create_time_ AS createTime,
		g.update_time_ AS updateTime
	</sql>

	<update id="updateGroup" parameterType="com.yonge.cooleshow.biz.dal.vo.VideoLessonGroupUpVo">
		UPDATE video_lesson_group
		<set>
			<if test="lessonName !=null and lessonName !=''">lesson_name_ = #{lessonName},</if>
			<if test="lessonSubject !=null and lessonSubject !=''">lesson_subject_ = #{lessonSubject},</if>
			<if test="lessonDesc !=null and lessonDesc !=''">lesson_desc_ = #{lessonDesc},</if>
			<if test="lessonPrice !=null and lessonPrice !=''">lesson_price_ = #{lessonPrice},</if>
			<if test="lessonCoverUrl !=null and lessonCoverUrl !=''">lesson_cover_url_ = #{lessonCoverUrl},</if>
			<if test="sortNumber !=null">sort_number_ = #{sortNumber},</if>
			<if test="lessonTag !=null and lessonTag !=''">lesson_tag_ = #{lessonTag},</if>
			<if test="topFlag !=null">top_flag_ = #{topFlag},</if>
			<if test="hotFlag !=null">hot_flag_ = #{hotFlag},</if>
			<if test="auditStatus !=null">audit_status_ = #{auditStatus},</if>
			update_time_ = SYSDATE(),
			lesson_count_ = (SELECT COUNT(1) FROM video_lesson_group_detail WHERE video_lesson_group_id_ = #{id})
		</set>
		WHERE id_ = #{id}
	</update>
	<select id="selectPage" resultType="com.yonge.cooleshow.biz.dal.vo.VideoLessonGroupVo">
		SELECT
			<include refid="baseColumns"/>,
			s.username_ AS username,
			s.avatar_ AS avatar,
			(SELECT COUNT(1) FROM video_lesson_purchase_record r WHERE r.video_lesson_group_id_=g.id_) AS countStudent
		FROM video_lesson_group g
		LEFT JOIN sys_user s ON g.teacher_id_ = s.id_
		<where>
			<if test="param.auditStatus !=null">
				AND g.audit_status_ = #{param.auditStatus}
			</if>
		</where>
	</select>
</mapper>