sql 2012 sequence 速记

CodeSELECT  id
INTO #t1
FROM sys_id
WHERE id < 3
SELECT next value for
sequencebase
FROM #t1
DROP TABLE #t1
go WITH a AS ( SELECT id
FROM sys_id
WHERE id < 3
)
SELECT next value for
sequencebase id
INTO #t2
FROM a
SELECT *
FROM #t2
DROP TABLE #t2 go WITH a AS ( SELECT id
FROM sys_id
WHERE id < 3
)
SELECT next value for
sequencebase id
FROM ( SELECT id
FROM a
) b
go WITH a AS ( SELECT id
FROM sys_id
WHERE id < 3
)
SELECT next value for
sequencebase id
FROM a GO WITH a AS ( SELECT 1 id
UNION ALL
SELECT 2
UNION ALL
SELECT 3
)
SELECT next value for
sequencebase ,
id
FROM a
go --UNION 有不确定性,以下语句报错 WITH a AS ( SELECT 1 id
UNION
SELECT 2
UNION
SELECT 3
)
SELECT next value for
sequencebase ,
id
FROM a

消息 11721,级别 15,状态 1,第 13 行
不能在使用 DISTINCT、UNION、UNION ALL、EXCEPT 或 INTERSECT 运算符的语句中直接使用 NEXT VALUE FOR 函数。

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