SmartFollowUp/tr-modules/tr-module-smartFollowUp/src/main/resources/mapper/smart/BizClinicRoomWxUserMapper.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="cn.tr.module.smart.common.repository.BizClinicRoomWxUserRepository">

    <update id="shiftWxAppletCurrent" >
        UPDATE biz_clinic_room_wx_user
        SET care =
                CASE
                    WHEN wx_user_id = #{userId} AND clinic_room_id = #{clinicRoomId} THEN 1
                    WHEN wx_user_id = #{userId} AND clinic_room_id != #{clinicRoomId} THEN 0
                    ELSE care
                    END
        WHERE wx_user_id = #{userId}
    </update>
</mapper>