sql处理

sckw-modules/sckw-payment/src/main/resources/mapper/KwpWalletTransferMapper.xml

@@ -56,7 +56,7 @@
         </where>
     </select>
     <select id="sumMoney" resultType="java.math.BigDecimal">
-        select sum(kwt.money)
+        select ifnull(sum(kwt.money), 0)
         from kwp_wallet_transfer kwt
         <where>
             kwt.del_flag = 0