库存展示修改

jeeplus-module/jeeplus-test/src/main/java/com/jeeplus/test/materialManagement/wareHouse/mapper/xml/WareHouseBasicMapper.xml

@@ -54,7 +54,7 @@
 			left join material_management_type c on a.ware_house_type = c.id
 			${ew.customSqlSegment}
 			GROUP BY a.trade_name
-			HAVING sum( trade_number ) - collect_number > 0
+			HAVING sum( trade_number ) - IFNULL(collect_number,0) > 0
 			ORDER BY a.update_date DESC
 	</select>
     <select id="findRequestId" resultType="java.lang.String">