IDENTITY_INSERT设置为OFF - 如何将其打开？

Question

我有一个已删除的文件存档数据库,它存储了已删除文件的ID,我希望管理员能够恢复该文件(以及链接文件的相同ID).我不想将identity_insert从整个表中删除,因为一个增量很有效.在我的插入TBL_Content存储过程中,我有类似的东西

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
SET IDENTITY_INSERT tbl_content ON
GO

ALTER procedure [dbo].[spInsertDeletedIntoTBLContent]
@ContentID int, 
...insert command...
SET IDENTITY_INSERT tbl_content OFF

但我一直得到同样的错误:

当IDENTITY_INSERT设置为OFF时,无法在表'TBL_Content'中为标识列插入显式值.

有帮助吗？

Answer 1

您是否应该在存储过程中将标识插入设置为on？看起来您只在更改存储过程时将其设置为on,而不是在实际调用它时.尝试:

ALTER procedure [dbo].[spInsertDeletedIntoTBLContent]
@ContentID int, 

SET IDENTITY_INSERT tbl_content ON

...insert command...

SET IDENTITY_INSERT tbl_content OFF
GO

Answer 2

你不应该设置identity_Insert ON,插入记录然后关闭它吗？

像这样:

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
SET IDENTITY_INSERT tbl_content ON
GO

ALTER procedure [dbo].[spInsertDeletedIntoTBLContent]
@ContentID int, 
SET IDENTITY_INSERT tbl_content ON
...insert command...
SET IDENTITY_INSERT tbl_content OFF

Answer 3

我相信它需要在一个查询批处理中完成.基本上,GO语句将您的命令分成多个批次并导致问题.把它改成这个:

SET IDENTITY_INSERT tbl_content ON
/* GO */

...insert command...

SET IDENTITY_INSERT tbl_content OFF
GO

Answer 4

提醒

SQL Server仅允许一个表将IDENTITY_INSERT属性设置为ON.

这不起作用:

SET IDENTITY_INSERT TableA ON
SET IDENTITY_INSERT TableB ON
... INSERT ON TableA ...
... INSERT ON TableB ...
SET IDENTITY_INSERT TableA OFF
SET IDENTITY_INSERT TableB OFF

代替:

SET IDENTITY_INSERT TableA ON
... INSERT ON TableA ...
SET IDENTITY_INSERT TableA OFF
SET IDENTITY_INSERT TableB ON
... INSERT ON TableB ...
SET IDENTITY_INSERT TableB OFF

Answer 5

在您的查询上方添加此行

SET IDENTITY_INSERT tbl_content ON

Answer 6

参考:http: //technet.microsoft.com/en-us/library/aa259221%28v=sql.80%29.aspx

我的表名为Genre3列Id,Name和SortOrder

我使用的代码如下:

SET IDENTITY_INSERT Genre ON

INSERT INTO Genre(Id, Name, SortOrder)VALUES (12,'Moody Blues', 20) 

Answer 7

添加衬托也

 SET IDENTITY_INSERT Genre ON

    INSERT INTO Genre(Id, Name, SortOrder)VALUES (12,'Moody Blues', 20) 

    SET IDENTITY_INSERT Genre  OFF