smqjh/yami-shop-security/yami-shop-security-comment/src/main/resources/mapper/AppConnectMapper.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.yami.shop.security.comment.dao.AppConnectMapper">
  <resultMap id="BaseResultMap" type="com.yami.shop.security.comment.model.AppConnect">
    <!--
      WARNING - @mbg.generated
    -->
    <id column="id" jdbcType="BIGINT" property="id" />
    <result column="user_id" jdbcType="VARCHAR" property="userId" />
    <result column="app_id" jdbcType="TINYINT" property="appId" />
    <result column="nick_name" jdbcType="VARCHAR" property="nickName" />
    <result column="image_url" jdbcType="VARCHAR" property="imageUrl" />
    <result column="biz_user_id" jdbcType="VARCHAR" property="bizUserId" />
    <result column="biz_unionid" jdbcType="VARCHAR" property="bizUnionid" />
  </resultMap>

  <select id="getByBizUserId" resultType="com.yami.shop.security.comment.model.AppConnect">
  	select * from tz_app_connect where biz_user_id = #{bizUserId} and app_id = #{appId} limit 1
  </select>

  <select id="getByUserId" resultType="com.yami.shop.security.comment.model.AppConnect">
  	select * from tz_app_connect where user_id = #{userId} and app_id = #{appId} limit 1
  </select>
    <select id="getUserIdByUnionId" resultType="java.lang.String">
      SELECT user_id from tz_app_connect where biz_unionid = #{bizUnionId} limit 1
    </select>
</mapper>