我正在尝试使用数据层应用程序标准化我的数据库架构。
为此,我有一个想要应用于我的数据库的现有数据层应用程序。
在尝试升级 Data-Tier 应用程序时,我收到以下错误消息:
Error SQL72014: .Net SqlClient Data Provider: Msg 2627, Level 14, State 1, Line 19 Violation of PRIMARY KEY constraint 'tmp_ms_xx_constraint_PK_ResidencyAgent'. Cannot insert duplicate key in object 'dbo.tmp_ms_xx_ResidencyAgent'. The duplicate key value is (1).
Error SQL72045: Script execution error. The executed script:
BEGIN TRANSACTION;
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
SET XACT_ABORT ON;
CREATE TABLE [dbo].[tmp_ms_xx_ResidencyAgent] (
[ResidenceID] INT NOT NULL,
[AgentID] INT NOT NULL,
[CreateDate] DATETIME NOT NULL,
[IsDefault] BIT NULL,
CONSTRAINT [tmp_ms_xx_constraint_PK_ResidencyAgent] PRIMARY KEY CLUSTERED ([AgentID] ASC)
);
IF EXISTS (SELECT TOP 1 1 FROM [dbo].[ResidencyAgent])
BEGIN
INSERT INTO [dbo].[tmp_ms_xx_ResidencyAgent] ([AgentID], [ResidenceID], [IsDefault], [CreateDate])
SELECT [AgentID],
[ResidenceID],
[IsDefault],
[CreateDate]
FROM [dbo].[ResidencyAgent]
ORDER BY [AgentID] ASC;
END
DROP TABLE [dbo].[ResidencyAgent];
EXECUTE sp_rename N'[dbo].[tmp_ms_xx_ResidencyAgent]', N'ResidencyAgent';
EXECUTE sp_rename N'[dbo].[tmp_ms_xx_constraint_PK_ResidencyAgent]', N'PK_ResidencyAgent'
我尝试对数据库运行此查询,错误消息是
Msg 2627, Level 14, State 1, Line 19
Violation of PRIMARY KEY constraint 'tmp_ms_xx_constraint_PK_ResidencyAgent'. Cannot insert duplicate key in object 'dbo.tmp_ms_xx_ResidencyAgent'. The duplicate key value is (1).
当前在 [dbo].[ResidencyAgent] 表中的数据是:
+-----------+-------------+-----------+-------------------------+
| AgentID | ResidenceID | IsDefault | CreateDate |
+-----------+-------------+-----------+-------------------------+
| 1 | 1 | 1 | 2011-10-06 13:28:42.110 |
| 1 | 2 | 0 | 2011-10-06 13:28:43.483 |
| 1 | 28 | 0 | 2017-09-01 14:53:08.750 |
| 6 | 1 | 1 | 2016-02-10 14:21:57.150 |
| 14 | 1 | 1 | 2017-08-07 16:37:13.020 |
+-----------+-------------+-----------+-------------------------+
数据层应用程序执行脚本时出现问题的原因是该表包含复合键,因此它创建的临时表应定义如下:
CREATE TABLE [dbo].[tmp_ms_xx_ResidencyAgent](
[ResidenceID] [int] NOT NULL,
[AgentID] [int] NOT NULL,
[IsDefault] [bit] NULL,
[CreateDate] [datetime] NOT NULL,
CONSTRAINT [tmp_ms_xx_PK_ResidencyAgent] PRIMARY KEY CLUSTERED
(
[ResidenceID] ASC,
[AgentID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
有没有其他人遇到过类似的事情?如果是这样,他们是如何解决的?
有什么方法可以让数据层应用程序“意识到”这一点 - 有没有可以设置的选项?我可以编辑我用来升级数据层应用程序的 dacpac 来解决这个问题吗?
谢谢,
肖恩