修改 查询sql

ch-dao/src/main/java/com/wwdz/ch/db/dao/FavoritesItemsRelationDao.java

@@ -5,7 +5,6 @@ import com.wwdz.ch.db.domain.FavoritesItemsRelation;
 import com.wwdz.ch.db.dto.FavoritesItemsDto;
 
 import java.util.List;
-import java.util.Map;
 
 public interface FavoritesItemsRelationDao {
     /**
@@ -131,13 +130,6 @@ public interface FavoritesItemsRelationDao {
      */
     long countByUserId(Long userId);
 
-    /**
-     * 通过藏品id分组统计记录数量最多的20条记录
-     *
-     * @return
-     */
-    List<Map<String, Object>> findItemIdByCount();
-
     /**
      * 连表查询获取藏品的图片
      *

ch-dao/src/main/java/com/wwdz/ch/db/impl/FavoritesItemsRelationDaoImpl.java

@@ -150,11 +150,6 @@ public class FavoritesItemsRelationDaoImpl implements FavoritesItemsRelationDao
         return favoritesItemsRelationMapper.countByExample(example);
     }
 
-    @Override
-    public List<Map<String, Object>> findItemIdByCount() {
-        return favoritesItemsRelationMapper.selectItemIdByCount();
-    }
-
     @Override
     public List<FavoritesItemsDto> queryItemImages(Long favoritesId, List<Long> onlyOneselfItemIds) {
         FavoritesRequestDto favoritesRequestDto = new FavoritesRequestDto();

ch-dao/src/main/java/com/wwdz/ch/db/mapper/FavoritesItemsRelationMapper.java

@@ -54,7 +54,5 @@ public interface FavoritesItemsRelationMapper {
 
     int updateByExample(@Param("record") FavoritesItemsRelation record, @Param("example") FavoritesItemsRelationExample example);
 
-    List<Map<String, Object>> selectItemIdByCount();
-
     List<FavoritesItemsDto> selectItemImages(FavoritesRequestDto dto);
 }
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ch-dao/src/main/resources/com/wwdz/ch/db/mapper/FavoritesItemsRelationMapper.xml

@@ -262,18 +262,17 @@
     </if>
     limit 1
   </select>
-  <select id="selectItemIdByCount" resultType="java.util.Map">
-    select item_id,count(*) from favorites_items_relation group by item_id order by count(*) limit 20
-  </select>
   <select id="selectItemImages" parameterType="com.wwdz.ch.db.dto.request.FavoritesRequestDto" resultMap="ItemResultMap">
     select a.item_id,a.add_time,b.images,b.top_image
     from favorites_items_relation a left join item b on a.item_id = b.id
-    where a.favorites_id = ${id}
+    where a.favorites_id = #{id}
+    <if test="itemIds != null and itemIds.size() &gt; 0">
       and a.item_id not in
     <foreach item="item" index="index" collection="itemIds"
                    open="(" separator="," close=")">
     #{item}
     </foreach>
+    </if>
     order by a.add_time desc
   </select>
 </mapper>
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ch-dao/src/main/resources/com/wwdz/ch/db/mapper/ItemMapper.xml

@@ -719,6 +719,6 @@
     limit 1
   </select>
   <select id="selectOnlyOneselfItems" parameterType="java.lang.Long" resultType="java.lang.Long">
-    select a.id from item a join user_items_relation b on a.id = b.item_id where a.source_type = 2 and a.view_permission = 1 and b.user_id != ${userId}
+    select a.id from item a join user_items_relation b on a.id = b.item_id where a.source_type = 2 and a.view_permission = 1 and b.user_id != #{userId}
   </select>
 </mapper>
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