<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.dsh.course.mapper.PostCourseVideoMapper">
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<select id="queryCourseOfVideos" resultType="com.dsh.course.feignclient.model.ExerciseVideo">
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SELECT tc.introduce as videoName, tc.coverDrawing as videoCoverImgUrl, tc.courseVideo as videoUrl,
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courseId as videoId,coursePackageId
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FROM t_post_course_video tpcv
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LEFT JOIN t_course tc on tc.id = tpcv.courseId
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where tc.state = 1
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<if test="coursePackIds.size >0 ">
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and tpcv.coursePackageId in
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<foreach collection="coursePackIds" index="index" item="item" open="("
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separator="," close=")">
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#{item}
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</foreach>
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</if>
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order by tpcv.courseDate desc limit 0,2
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</select>
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</mapper>
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