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

@@ -224,16 +224,14 @@
         art.DEL_FLAG = '0'
         AND
         art.STATUS_FLAG = 'published'
-        <if test="(tagName != null and tagName != '') or (excludeTagName != null and excludeTagName != '')">
-            GROUP BY art.ID
 
-             HAVING
-             <if test="tagName != null and tagName != ''">
-                 FIND_IN_SET(#{tagName},tags)
-             </if>
-             <if test="excludeTagName != null and excludeTagName != ''">
-               AND !FIND_IN_SET(#{excludeTagName},tags)
-             </if>
+        GROUP BY art.ID
+        HAVING
+        <if test="tagName != null and tagName != ''">
+            FIND_IN_SET(#{tagName},tags)
+        </if>
+        <if test="excludeTagName != null and excludeTagName != ''">
+            AND !FIND_IN_SET(#{excludeTagName},tags)
         </if>
         ORDER BY art.PUBLISH_DATE DESC , art.CREATED_TIME DESC
         LIMIT #{num}