<?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.tanpu.community.dao.mapper.community.TopicFollowRelMapper"> <resultMap id="BaseResultMap" type="com.tanpu.community.dao.entity.community.TopicFollowRelEntity"> <!--@mbg.generated--> <!--@Table topic_follow_rel--> <id column="id" jdbcType="BIGINT" property="id" /> <result column="topic_id" jdbcType="VARCHAR" property="topicId" /> <result column="user_id" jdbcType="VARCHAR" property="userId" /> <result column="follow_time" jdbcType="TIMESTAMP" property="followTime" /> <result column="unfollow_time" jdbcType="TIMESTAMP" property="unfollowTime" /> <result column="manager" jdbcType="INTEGER" property="manager" /> <result column="create_time" jdbcType="TIMESTAMP" property="createTime" /> <result column="update_time" jdbcType="TIMESTAMP" property="updateTime" /> <result column="delete_tag" jdbcType="INTEGER" property="deleteTag" /> </resultMap> <sql id="Base_Column_List"> <!--@mbg.generated--> id, topic_id, user_id, follow_time, unfollow_time, manager, create_time, update_time, delete_tag </sql> <!--auto generated by MybatisCodeHelper on 2022-02-17--> <select id="selectTopicIdByUserId" resultType="java.lang.String"> select topic_id from topic_follow_rel where user_id=#{userId} and delete_tag = 0 </select> <!--auto generated by MybatisCodeHelper on 2022-02-17--> <select id="queryOneByTopicIdAndUserId" resultMap="BaseResultMap"> select <include refid="Base_Column_List" /> from topic_follow_rel where topic_id=#{topicId} and user_id=#{userId} and delete_tag = 0 </select> </mapper>