ruoyi-admin/src/main/resources/mapper/system/SysUserInviteMapper.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.ruoyi.system.mapper.SysUserInviteMapper">
    <resultMap id="SysUserInviteMap" type="com.ruoyi.authentication.domain.SysUserInvite">
        <id property="codeId" column="code_id"/>
        <result property="code" column="code"/>
        <result property="userId" column="user_id"/>
    </resultMap>

    <select id="selectInviteByUserId" resultMap="SysUserInviteMap">
        select code_id, code, user_id
        from invite_codes
        where user_id = #{userId}
    </select>

    <select id="selectInviteByCode" resultMap="SysUserInviteMap">
        select code_id, code, user_id
        from invite_codes
        where code = #{code}
    </select>
</mapper>