epmet-cloud-zhengwu-yantai/epmet-module/epmet-message/epmet-message-server/src/main/resources/mapper/WxmpResiUserSubscribeDao.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.epmet.dao.WxmpResiUserSubscribeDao">

    <select id="getResiSubscribeInfo" parameterType="String" resultType="Integer">
      select
        `count`
      from Wxmp_Resi_User_Subscribe
      where
        del_flag =0
        and customer_id = #{customerId}
        and template_id = #{templateId}
        and wx_open_id = #{openId}
        and wx_subscribe_status = 'subscribe'
    </select>

  <update id="decreaseResiSubscribeCount">
    update Wxmp_Resi_User_Subscribe
    set count = if(count &lt; 1, 0, count - ${num} )
    where
      del_flag =0
      and customer_id = #{customerId}
      and template_id = #{templateId}
      and wx_open_id = #{openId}
      and wx_subscribe_status = 'subscribe'
  </update>

  <update id="clearResiSubscribeCount" parameterType="String">
    update Wxmp_Resi_User_Subscribe
    set count = 0,
        wx_subscribe_status = 'unsubscribe'
    where
      del_flag =0
      and customer_id = #{customerId}
      and template_id = #{templateId}
      and wx_open_id = #{openId}
  </update>

</mapper>