计算多天的推荐重复问题

eda/feededa/src/main/scala/com/gmei/temp_count.scala

@@ -312,11 +312,12 @@ object Repeated_content_recommendation_moreday {
 
       val exp_diary = sc.sql(
         s"""
-           |select stat_date,device_id,group_concat(distinct cid_id)
+           |select stat_date,concat_ws(',',collect_set(cid_id))
            |from data_feed_exposure_precise
            |where cid_type = 'diary'
            |and device_id not in (select device_id from blacklist)
-           |and stat_date >='${stat_date}'
+           |and stat_date ='${stat_date}'
+           |group by device_id
          """.stripMargin
       )
       exp_diary.show()