积分获取和消费的存储过程学习示例

— ===============测试=======================================================
/*
declare @StatusCode int = 1;
exec sp_GM_JF_AddScore ‘admin’,’AN_JF_001_001′,1,5,0,”,@StatusCode output
print @StatusCode
*/
— ===========================================================================
/*
* 判断是否重复获取积分(首次完善个人资料,首次修改密码等等不能重复获取积分)
* 判断是根据 从GM_JF_DETAIL(详情表)查询周期内的数据条数与GM_JF_ACTION_RULES(动作规则表)内的周期重复次数对比
* 如果大于等于周期重复次数,则为重复获取积分
* 接下来
*     1.详情表的数据入库
*     2.判断总积分表是否存在对应客户的总积分 没有则插入一条新的,有 则读取其数据,并更新
*
*/
ALTER PROCEDURE [dbo].[sp_GM_JF_AddScore]
@ACCOUNT_ID     varchar(30),
@JF_CategoryNumber varchar(15),
@CARD_NUM     int,
@HQ_JF_AMOUNT     int,
@State     varchar(16),
@USE_DESC     varchar(400),

@StatusCode     int output     — 状态码: 0:失败 1:成功 2: 不能重复获取
AS
BEGIN
— SET NOCOUNT ON added to prevent extra result sets from
— interfering with SELECT statements.
SET NOCOUNT ON;

declare
@repetitionsCycle     float=0,    –周期（天）
@repetitionsCycle_second    int=0,–周期（秒）
@repetitionsFrequency     int=0,    –一个周期内允许最大次数
@realFrequency     int=0,     –实际周期

@USE_DATE     datetime = GETDATE();
–是否重复获取积分
select top(1) @repetitionsCycle=RepetitionsCycle,@repetitionsFrequency=RepetitionsFrequency from GM_JF_ACTION_RULES where AN_CategoryNumber=@JF_CategoryNumber;

if(@repetitionsCycle<1)
BEGIN
set @repetitionsCycle_second = (@repetitionsCycle-1)*24*60*60;
select @realFrequency=COUNT(1) from GM_JF_DETAIL where ACCOUNT_ID=@ACCOUNT_ID and JF_CategoryNumber=@JF_CategoryNumber and USE_DATE <= @USE_DATE and USE_DATE >= CONVERT(varchar(19),DATEADD(SECOND,-@repetitionsCycle_second,@USE_DATE),120)
END
ELSE
BEGIN
select @realFrequency=COUNT(1) from GM_JF_DETAIL where ACCOUNT_ID=@ACCOUNT_ID and JF_CategoryNumber=@JF_CategoryNumber and USE_DATE <= @USE_DATE and USE_DATE >= CONVERT(varchar(10),DATEADD(DAY,-(@repetitionsCycle-1),@USE_DATE),120)
END   

if(@realFrequency>=@repetitionsFrequency)    –实际周期大于周期次数
begin
set @StatusCode = 2;
return 2;
end

declare @count int = 0;     –数据条数
declare @temp_table table    –表变量
(
ACCOUNT_ID varchar(30),
JF_AMOUNT decimal(16,2),
TTL_JF_AMOUNT decimal(16,2),
Last_Update_Time datetime,
[Version] int
);

begin tran;
–插入详情
insert into GM_JF_DETAIL
(ACCOUNT_ID,JF_CategoryNumber,CARD_NUM,HQ_JF_AMOUNT,[State],USE_DESC)
values
(@ACCOUNT_ID,@JF_CategoryNumber,@CARD_NUM,@HQ_JF_AMOUNT,@State,@USE_DESC)

–填充表变量
insert into @temp_table select ACCOUNT_ID,JF_AMOUNT,TTL_JF_AMOUNT,Last_Update_Time,[Version] from GM_JF where ACCOUNT_ID=@ACCOUNT_ID
select @count = count(1) from @temp_table;
–判断并更新总积分（0:添加 其他:修改）
IF(@count=0)
begin
insert into GM_JF(ACCOUNT_ID,JF_AMOUNT,TTL_JF_AMOUNT)
values
(@ACCOUNT_ID,@HQ_JF_AMOUNT,@HQ_JF_AMOUNT)
end
else
begin
declare @JF_AMOUNT int,     –总积分
@TTL_JF_AMOUNT int,    –可用积分
@Version int;     –版本号

select @JF_AMOUNT=JF_AMOUNT,@TTL_JF_AMOUNT=TTL_JF_AMOUNT,@Version=[Version] from @temp_table where ACCOUNT_ID=@ACCOUNT_ID;

update GM_JF set JF_AMOUNT=(@JF_AMOUNT+@HQ_JF_AMOUNT),TTL_JF_AMOUNT=(@TTL_JF_AMOUNT+@HQ_JF_AMOUNT),Last_Update_Time=GETDATE(),[Version]=(@Version+1) where ACCOUNT_ID=@ACCOUNT_ID
end

Commit tran;
set @StatusCode = 1;

IF(@@ERROR<>0)
BEGIN
set @StatusCode = 0;
ROLLBACK tran;
END
END