关于编号，事务这么用可否
CREATE TABLE [dbo].[test](
[id] [varchar](15) NULL
) ON [PRIMARY]
GO
Create procedure [dbo].[getIDonly]
(
@name varchar(2),
@re varchar (50) output
)
AS
BEGIN
begin TRANSACTION
declare @GD varchar(15) --固定左边
set @GD= (select @name+ cast (YEAR (getdate()) as varchar(4))+cast (MONTH (GETDATE ()) as varchar(2))+CAST (day(GETDATE()) as varchar(2)))
declare @DT varchar(5) ---动态右边
set @DT=(select right (left( max(CAST ( RIGHT (id,5) as NUMERIC(20,0))*100001+1),10),5) from test where id like @name +'%' )
if @DT is null
begin
set @DT='00001'
end
if @@error<>0
begin
rollback tran
end
commit tran
set @re= @GD+@DT
END
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[SOF_getmaxbh]
@biaoshi varchar(3), --单据类型标识
@addflag integer, --0,1 在前台使用；2 组成一个号返回，序号不加1（结转号），3 序号加 1 返回（单据编号）；
@maxbh varchar(11)=NULL output --直接返回编号
AS
--内部变量声明
declare @recnum integer,
@rowcount integer
set @recnum=0
/*非事务内容执行*/
--每一过程拥有一唯一区界号，过程内的异常编号在此基础上增加
declare @errcode integer
set @errcode=1800
declare @return integer
set @return=0
--启动事务处理
declare @tran_point int--控制事务嵌套
set @tran_point=@@trancount--保存事务点
if @tran_point=0
begin tran tran_SOF_getmaxbh
else
save tran tran_SOF_getmaxbh
if @addflag=1 or @addflag=3
begin
update maxbh set @recnum=recnum=isnull(recnum,0)+1 where biaoshi=@biaoshi
set @rowcount=@@rowcount
if @@error<>0
begin
set @return=1
goto err_lab
end
end
else
begin
select @recnum=isnull(recnum,0) from maxbh(nolock) where biaoshi=@biaoshi
end
if @rowcount=0
begin
set @recnum=0
insert into maxbh (biaoshi,maxbh,mkbh,recnum) values (@biaoshi,'','',@recnum)
end
--返回结果
declare @s_recnum varchar(11)
set @s_recnum=LTRIM(str(@recnum))
if @addflag>1
set @maxbh=@biaoshi+ REPLICATE('0',11-len(@biaoshi)-len(@s_recnum))+@s_recnum
else
select @biaoshi+ REPLICATE('0',11-len(@biaoshi)-len(@s_recnum))+@s_recnum as recnum
--结束事务处理
if @tran_point=0
commit tran tran_SOF_getmaxbh
goto return_lab
err_lab:
if @return<100 set @return=@errcode +@return
rollback tran tran_SOF_getmaxbh
return_lab:
return @return
Create procedure [dbo].[getIDonly]
(
@name varchar(2),
@re varchar (50) output
)
AS
BEGIN
begin TRANSACTION
declare @GD varchar(15) --固定左边
set @GD= @name+ convert(varchar(8),GETDATE(),112)
declare @DT varchar(5) ---动态右边
set @DT=(select right (left( max(CAST ( RIGHT (id,5) as NUMERIC(20,0))*100001+1),10),5) from test where id like @name +'%' )
if @DT is null
begin
set @DT='00001'
end
if @@error<>0
begin
rollback tran
end
commit tran
set @re= @GD+@DT
END
