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RollCall/target/classes/mapper/CourseMapper.xml

18 lines
627 B

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTO Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.wbq.mapper.CourseMapper">
<select id="getByCourseIdList" resultType="com.wbq.entity.Course">
select * from course
where course_id in
<foreach collection="courseIdList" item="id" open="(" separator="," close=")">
#{id}
</foreach>
</select>
<select id="existsByCourseId" resultType="boolean">
select exists (select 1 from course where course_id = #{courseId})
</select>
</mapper>