教学楼排序调整

backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/mapper/BuildMapper.xml

@@ -36,11 +36,11 @@
                 AND DEL_FLAG = #{jxlb.delFlag}
             </if>
         </where>
-        ORDER BY 序号
+        ORDER BY CASE WHEN REGEXP_LIKE(序号, '^[0-9]+$') THEN CAST(序号 AS INT) END NULLS LAST, 序号
     </select>
 
     <select id="selectMaxXh" resultType="java.lang.String">
-        SELECT MAX(序号) FROM 教学楼表 WHERE DEL_FLAG = 0
+        SELECT MAX(CAST(序号 AS INT)) FROM 教学楼表 WHERE DEL_FLAG = 0 AND REGEXP_LIKE(序号, '^[0-9]+$')
     </select>
 
 </mapper>