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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

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0 回答 0