List<Map> publishInfos = memberShareMapper.shareToCouponCountGroupByPublishId(memberShare.getActivityId());

 <select id="shareToCouponCountGroupByPublishId" parameterType="java.lang.Long" resultType="map">
    select count(msc.coupon_publish_id) COUPONCOUNT, msc.coupon_publish_id COUPONPUBLISHID from
 
 member_share_coupon msc, MEMBER_SHARE_ACTIVITY msa
    where activity_id = #{activityId} and for_share_to_user = ‘Y‘
    and msc.IS_DELETE = ‘N‘
    and msc.ACTIVITY_ID = msa.ID
    and msa.IS_DELETE = ‘N‘ and msa.SHARE_STATUS = ‘1‘
    group by coupon_publish_id
  </select>

mybayis 之resultType="map"