IDENTITY_INSERT 我遇到了一个奇怪的问题并且不知所措。谁能看到我错过了什么？

Question

我在尝试执行以下语句时遇到错误，抱怨必须打开 IDENTITY_INSERT 才能进行插入，但我正在打开它。

SET IDENTITY_INSERT Thompson_GDM.dbo.employees ON    
GO

INSERT INTO Thompson_GDM.dbo.employees    
SELECT [EmployeeId],    
       [AssignmentId],    
       [more columns...]    
FROM TMLAVSQLBIS.ThompsonMachinery.dbo.Employees;    
GO

SET IDENTITY_INSERT Thompson_GDM.dbo.employees OFF    
go

错误消息是“table 'Thompson_GDM.dbo.employees' 中标识列的显式值只能在使用列列表且 IDENTITY_INSERT 为 ON 时指定。”

如您所见，我使用的是列列表，它与 table 布局相匹配。我检查了好几次，确实匹配

Answer 1

在 INSERT INTO 之后（SELECT 之前）需要一个列列表：

SET IDENTITY_INSERT Thompson_GDM.dbo.employees ON    
GO

INSERT INTO Thompson_GDM.dbo.employees([EmployeeId],    
       [AssignmentId],    
       [more columns...] )    
SELECT [EmployeeId],    
       [AssignmentId],    
       [more columns...]    
FROM TMLAVSQLBIS.ThompsonMachinery.dbo.Employees;    
GO

SET IDENTITY_INSERT Thompson_GDM.dbo.employees OFF    
go

显然“更多列”是实际列

IDENTITY_INSERT 我遇到了一个奇怪的问题并且不知所措。谁能看到我错过了什么？

I'm having a weird issue with IDENTITY_INSERT & am at a loss. Can anyone see what I'm missing?

sql

sql-server