SQL2008中的Sequence

 

 

CREATE
TABLE
dbo.GlobalSequence

(

id
INT
IDENTITY(1, 1)

)

GO

 

 

CREATE
PROC
seq
(
@id INT
OUTPUT
)

AS

BEGIN

BEGIN
TRAN

DECLARE
@NewSequenceValue
TABLE (
ID INT
);

 

INSERT
INTO
dbo.GlobalSequence

OUTPUT
inserted.id

INTO
@NewSequenceValue

DEFAULT
VALUES

 

ROLLBACK
TRAN

SELECT
@id
=
id

FROM
@NewSequenceValue

 

 

END

 

-- test

DECLARE
@id
INT

EXEC
seq
@id OUTPUT

SELECT
@id