使用group_concat 必须加group by 否则默认按照 concat字段分组

epmet-module/gov-voice/gov-voice-server/src/main/resources/mapper/ArticleDao.xml

@@ -224,9 +224,8 @@
         art.DEL_FLAG = '0'
         AND
         art.STATUS_FLAG = 'published'
-        <if test="(tagName != null and tagName != '') or (excludeTagName != null and excludeTagName != '')">
-            GROUP BY art.ID
 
+        GROUP BY art.ID
         HAVING
         <if test="tagName != null and tagName != ''">
             FIND_IN_SET(#{tagName},tags)
@@ -234,7 +233,6 @@
         <if test="excludeTagName != null and excludeTagName != ''">
             AND !FIND_IN_SET(#{excludeTagName},tags)
         </if>
-        </if>
         ORDER BY art.PUBLISH_DATE DESC , art.CREATED_TIME DESC
         LIMIT #{num}
     </select>