如何创建 ELMAH SQL Server 数据库？

Question

如何创建 ELMAH SQL Server 数据库？我通过 NuGet 将其添加到我的 ASP.NET MVC 项目中，但我的计算机上没有 sql 脚本。

Answer 1

DDL 脚本可从 Elmah 下载页面 链接。无需搜寻源代码树。

（我不明白为什么它没有与 NuGet 捆绑在一起）

Answer 2

我在源代码管理中找到了该脚本： https:// /code.google.com/p/elmah/source/browse/src/Elmah.SqlServer/SQLServer.sql

在用于为 Elmah 创建数据库结构的数据库上运行该脚本。

Answer 3

对于代码优先迁移场景，我发现这篇文章非常有帮助。

首先在“Package Manager Console”中运行 Add-Migration AddElmah 命令。这将在 Migration 文件夹下创建一个文件。该文件将包含 AddElmah 类以及函数 Up() 和 Down()。将这两个函数替换为以下代码：

public override void Up()
{
    Sql(@"CREATE TABLE [dbo].[ELMAH_Error]
        (
            [ErrorId]     UNIQUEIDENTIFIER NOT NULL,
            [Application] NVARCHAR(60)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
            [Host]        NVARCHAR(50)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
            [Type]        NVARCHAR(100) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
            [Source]      NVARCHAR(60)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
            [Message]     NVARCHAR(500) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
            [User]        NVARCHAR(50)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
            [StatusCode]  INT NOT NULL,
            [TimeUtc]     DATETIME NOT NULL,
            [Sequence]    INT IDENTITY(1, 1) NOT NULL,
            [AllXml]      NTEXT COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL
        ) ");

    Sql("EXEC('ALTER TABLE [dbo].[ELMAH_Error] WITH NOCHECK ADD CONSTRAINT[PK_ELMAH_Error] PRIMARY KEY([ErrorId])')");

    Sql("EXEC('ALTER TABLE [dbo].[ELMAH_Error] ADD CONSTRAINT[DF_ELMAH_Error_ErrorId] DEFAULT(NEWID()) FOR[ErrorId]')");

    Sql(@"EXEC('CREATE NONCLUSTERED INDEX [IX_ELMAH_Error_App_Time_Seq] ON [dbo].[ELMAH_Error] 
        (
            [Application]   ASC,
            [TimeUtc]       DESC,
            [Sequence]      DESC
        )')");

    Sql(@"EXEC('CREATE PROCEDURE [dbo].[ELMAH_GetErrorXml] (@Application NVARCHAR(60), @ErrorId UNIQUEIDENTIFIER) AS
            SET NOCOUNT ON
            SELECT [AllXml] FROM [ELMAH_Error] WHERE [ErrorId] = @ErrorId AND [Application] = @Application')");

    Sql(@"EXEC('CREATE PROCEDURE [dbo].[ELMAH_GetErrorsXml]
        (@Application NVARCHAR(60), @PageIndex INT = 0, @PageSize INT = 15, @TotalCount INT OUTPUT)
        AS  
            SET NOCOUNT ON 
            DECLARE @FirstTimeUTC DATETIME
            DECLARE @FirstSequence INT
            DECLARE @StartRow INT
            DECLARE @StartRowIndex INT

            SELECT @TotalCount = COUNT(1) FROM [ELMAH_Error] WHERE [Application] = @Application

            SET @StartRowIndex = @PageIndex * @PageSize + 1

            IF @StartRowIndex <= @TotalCount
            BEGIN 
                SET ROWCOUNT @StartRowIndex

                SELECT @FirstTimeUTC = [TimeUtc], @FirstSequence = [Sequence] FROM [ELMAH_Error]
                WHERE [Application] = @Application ORDER BY [TimeUtc] DESC, [Sequence] DESC 
            END
            ELSE
            BEGIN 
                SET @PageSize = 0 
            END

            SET ROWCOUNT @PageSize

            SELECT 
                errorId     = [ErrorId], 
                application = [Application],
                host        = [Host], 
                type        = [Type],
                source      = [Source],
                message     = [Message],
                [user]      = [User],
                statusCode  = [StatusCode], 
                time        = CONVERT(VARCHAR(50), [TimeUtc], 126) + ''Z''
            FROM [ELMAH_Error] error WHERE [Application] = @Application AND [TimeUtc] <= @FirstTimeUTC
            AND [Sequence] <= @FirstSequence ORDER BY [TimeUtc] DESC, [Sequence] DESC FOR XML AUTO')");

    Sql(@"EXEC('CREATE PROCEDURE [dbo].[ELMAH_LogError] (@ErrorId UNIQUEIDENTIFIER, @Application NVARCHAR(60), @Host NVARCHAR(30),
          @Type NVARCHAR(100), @Source NVARCHAR(60), @Message NVARCHAR(500), @User NVARCHAR(50), @AllXml NTEXT, @StatusCode INT,
          @TimeUtc DATETIME) AS 

         SET NOCOUNT ON

         INSERT INTO [ELMAH_Error] ([ErrorId], [Application], [Host], [Type], [Source], [Message], [User], [AllXml], [StatusCode], [TimeUtc])
         VALUES (@ErrorId, @Application, @Host, @Type, @Source, @Message, @User, @AllXml, @StatusCode, @TimeUtc)')");
}

public override void Down()
{
    Sql("EXEC('DROP PROCEDURE [ELMAH_GetErrorXml]')");
    Sql("EXEC('DROP PROCEDURE [ELMAH_GetErrorsXml]')");
    Sql("EXEC('DROP PROCEDURE [ELMAH_LogError]')");
    Sql("Drop table ELMAH_Error");
}

现在，当您在“Package Manager Console”中执行 Update-Database 命令时，ELMAH_Error 表和关联过程将在数据库中创建。

Answer 4

Elmah 源已移至 GitHub。 SQL Server 的当前文件位于 Elmah 组织下的 SqlErrorLog 存储库中。
SqlErrorLog: /src/SQLServer.sql

其他数据库脚本可以通过在 Elmah GitHub 组织下搜索 errorlog 可以找到。例如 https://github.com/elmah?q=errorlog