create database test
go
use test
go
create table t1
(
sid int identity(1,1) not null primary key,
sno int not null,
sname varchar(200)
)
go
insert into t1(sno,sname) values(101,"wind")
go
ALTER DATABASE [test] SET RECOVERY SIMPLE WITH NO_WAIT
GO
ALTER DATABASE [test]
SET CHANGE_TRACKING = ON
(CHANGE_RETENTION = 2 DAYS, AUTO_CLEANUP = ON)
go
ALTER TABLE dbo.t1
ENABLE CHANGE_TRACKING
WITH (TRACK_COLUMNS_UPDATED = ON)
go
--变革记载表
create table veridrecord
(
lvid bigint not null,
nvid bigint not null,
isover bigint
)
go
insert into veridrecord(lvid,nvid) values(1,1)
go
---捕获业务数据表
CREATE TABLE [dbo].[tempt1](
[sid] [int] NOT NULL,
[sno] [int] NOT NULL,
[sname] [varchar](200) NULL,
[addtime] [datetime] NULL
)
go
ALTER TABLE [dbo].[tempt1] ADD CONSTRAINT [DF_tempt1_addtime] DEFAULT (getdate()) FOR [addtime]
GO
----测试数据
insert into t1(sno,sname) values(101,"a")
insert into t1(sno,sname) values(102,"b")
insert into t1(sno,sname) values(103,"c")
insert into t1(sno,sname) values(104,"d")
go
set nocount on
update t1 set sno="9899" where sno=102
go
---查看变革捕获
DECLARE @synchronization_version bigint
DECLARE @this_version bigint
DECLARE @pid int =COLUMNPROPERTY( OBJECT_ID("dbo.t1"),"sno","ColumnId")
declare @a bigint
declare @b bigint
declare @c bigint
SET @synchronization_version = CHANGE_TRACKING_CURRENT_VERSION()
select @a=lvid from veridrecord
select @b=nvid from veridrecord
select @c=isover from veridrecord
if @synchronization_version>@b
begin
if @c=1
begin
update veridrecord set lvid=nvid
update veridrecord set nvid=@synchronization_version
select @this_version=lvid from veridrecord
select @this_version
insert into tempt1(sid,sno,sname)
select k.sid,k.sno,k.sname from
(
SELECT P.sid, P.sno,P.sname,
CT.SYS_CHANGE_OPERATION,ct.SYS_CHANGE_VERSION,
case
when CHANGE_TRACKING_IS_COLUMN_IN_MASK ( @pid , SYS_CHANGE_COLUMNS) =0 then "NO"
when CHANGE_TRACKING_IS_COLUMN_IN_MASK ( @pid , SYS_CHANGE_COLUMNS ) =1 then "YES"
else "其它"
end ischange
FROM dbo.t1 AS P
inner join
CHANGETABLE(CHANGES dbo.t1,@this_version) AS CT
ON
P.sid = CT.sid where ct.SYS_CHANGE_VERSION>@this_version
) k where k.ischange="YES"
end
end
else
begin
select "no changes"
end
update veridrecord set isover=1
go
select * from tempt1
create database test
go
use test
go
create table