在創建/更新/刪除時插入歷史表的存儲過程？

我正在開發一個MVC5/EF代碼優先應用程序。有誰知道如何實現存儲過程，以便在新記錄是inserted或當前記錄updated時記錄被存儲在我的INV_AssetsHistory表中？在創建/更新/刪除時插入歷史表的存儲過程？

我INV_Assets表定義爲：

using System; 
using System.Collections.Generic; 
using System.ComponentModel.DataAnnotations; 
using System.ComponentModel.DataAnnotations.Schema; 
using GridMvc.DataAnnotations; 
using System.Web.Mvc; 
using InventoryTracker.Models; 

namespace InventoryTracker.Models 
{ 
    [GridTable(PagingEnabled = true, PageSize = 30)] 
    public class INV_Assets 
    { 
     // Setting GridColumn Annotations allows you to use AutoGenerateColumns on view to auto create the Grid based on the model. 


     public int Id { get; set; } 

     public int Model_Id { get; set; } 
     [ForeignKey("Model_Id")] 
     public virtual INV_Models Model { get; set; } 

     [Required] 
     public int Manufacturer_Id { get; set; } 
     [ForeignKey("Manufacturer_Id")] 
     public virtual INV_Manufacturers Manufacturer { get; set; } 

     [Required] 
     public int Type_Id { get; set; } 
     [ForeignKey("Type_Id")] 
     public virtual INV_Types Type { get; set; } 

     [Required] 
     public int Location_Id { get; set; } 
     [ForeignKey("Location_Id")] 
     public virtual INV_Locations Location { get; set; } 

     public int Vendor_Id { get; set; } 
     [ForeignKey("Vendor_Id")] 
     public virtual INV_Vendors Vendor { get; set; } 

     [Required] 
     public int Status_Id { get; set; } 
     [ForeignKey("Status_Id")] 
     public virtual INV_Statuses Status { get; set; } 

     public string ip_address { get; set; } 

     public string mac_address { get; set; } 

     [DataType(DataType.MultilineText)] 
     public string note { get; set; } 
     public string owner { get; set; } 

     //[DataType(DataType.Currency)] 
     //[DisplayFormat(DataFormatString="{0:C}", ApplyFormatInEditMode=true)] 
     [DisplayFormat(DataFormatString = "{0:#,###0.00}", ApplyFormatInEditMode=true)] 
     public decimal cost { get; set; } 
     public string po_number { get; set; } 

     [DataType(DataType.MultilineText)] 
     public string description { get; set; } 

     public int invoice_number{ get; set; } 

     [Required] 
     public string serial_number { get; set; } 

     [Required] 
     public string asset_tag_number { get; set; } 

     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime? acquired_date { get; set; } 

     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime? disposed_date { get; set; } 

     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime? verified_date { get; set; } 

     [Required] 
     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime created_date { get; set; } 

     [Required] 
     public string created_by { get; set; } 

     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}")] 
     public DateTime? modified_date { get; set; } 

     public string modified_by { get; set; } 

     // Flag to specify if item is available? (Not signed out, not auctioned, recycled, etc.) 
     //public bool available { get; set; } 
    } 
}

而且我INV_AssetsHistory表我已經設置爲這樣（我將此視爲與它鏈接到其他表沒有鍵值一個獨立的表，唯一的這與INV_Assets之間的主要區別是當前表Id場和AssetsId指定資產）：

using System; 
using System.Collections.Generic; 
using System.ComponentModel.DataAnnotations; 
using System.ComponentModel.DataAnnotations.Schema; 
using GridMvc.DataAnnotations; 
using System.Web.Mvc; 
using InventoryTracker.Models; 

namespace InventoryTracker.Models 
{ 
    public class INV_AssetsHistory 
    { 
     public int Id { get; set; } 

     [Required] 
     public int AssetId { get; set; } 

     //public int Model_Id { get; set; } 
     //[ForeignKey("Model_Id")] 
     public virtual INV_Models Model { get; set; } 

     [Required] 
     //public int Manufacturer_Id { get; set; } 
     //[ForeignKey("Manufacturer_Id")] 
     public virtual INV_Manufacturers Manufacturer { get; set; } 

     [Required] 
     //public int Type_Id { get; set; } 
     //[ForeignKey("Type_Id")] 
     public virtual INV_Types Type { get; set; } 

     [Required] 
     //public int Location_Id { get; set; } 
     //[ForeignKey("Location_Id")] 
     public virtual INV_Locations Location { get; set; } 

     //public int Vendor_Id { get; set; } 
     //[ForeignKey("Vendor_Id")] 
     public virtual INV_Vendors Vendor { get; set; } 

     [Required] 
     //public int Status_Id { get; set; } 
     //[ForeignKey("Status_Id")] 
     public virtual INV_Statuses Status { get; set; } 

     public string ip_address { get; set; } 

     public string mac_address { get; set; } 

     [DataType(DataType.MultilineText)] 
     public string note { get; set; } 
     public string owner { get; set; } 

     //[DataType(DataType.Currency)] 
     //[DisplayFormat(DataFormatString="{0:C}", ApplyFormatInEditMode=true)] 
     [DisplayFormat(DataFormatString = "{0:#,###0.00}", ApplyFormatInEditMode = true)] 
     public decimal cost { get; set; } 
     public string po_number { get; set; } 

     [DataType(DataType.MultilineText)] 
     public string description { get; set; } 

     public int invoice_number { get; set; } 

     [Required] 
     public string serial_number { get; set; } 

     [Required] 
     public string asset_tag_number { get; set; } 

     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime? acquired_date { get; set; } 

     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime? disposed_date { get; set; } 

     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime? verified_date { get; set; } 

     [Required] 
     [DataType(DataType.Date)] 
     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
     public DateTime created_date { get; set; } 

     [Required] 
     public string created_by { get; set; } 

     [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}")] 
     public DateTime? modified_date { get; set; } 

     public string modified_by { get; set; } 
    } 
}

我讀了THIS文章並試圖實現我所需的功能。在我InventoryTrackerContext.cs文件我有以下幾點：

namespace InventoryTracker.DAL 
{ 
    public class InventoryTrackerContext : DbContext 
    { 
     public InventoryTrackerContext() 
      : base("InventoryTrackerContext") 
     { 

     } 

     public DbSet<INV_Assets> INV_Assets { get; set; } 
     public DbSet<INV_Models> INV_Models { get;set; } 
     public DbSet<INV_Manufacturers> INV_Manufacturers { get;set; } 
     public DbSet<INV_Types> INV_Types { get; set; } 
     public DbSet<INV_Locations> INV_Locations { get; set; } 
     public DbSet<INV_Vendors> INV_Vendors { get; set; } 
     public DbSet<INV_Statuses> INV_Statuses { get; set; } 

     protected override void OnModelCreating(DbModelBuilder modelBuilder) 
     { 
      modelBuilder.Conventions.Remove<PluralizingTableNameConvention>(); 
      modelBuilder.Entity<INV_Assets>().MapToStoredProcedures(); 
     }

雖然下面的文章中，我加入這個代碼（modelBuilder.Entity<INV_Assets>().MapToStoredProcedures();）特定的行和更新我的背景。現在我的Server Explorer爲InventoryTrackerContext連接，我有3個存儲過程，標題爲INV_Assets_Delete/Insert/Update。例如，Update被定義爲：

CREATE PROCEDURE [dbo].[INV_Assets_Update] 
    @Id [int], 
    @Model_Id [int], 
    @Manufacturer_Id [int], 
    @Type_Id [int], 
    @Location_Id [int], 
    @Vendor_Id [int], 
    @Status_Id [int], 
    @ip_address [nvarchar](max), 
    @mac_address [nvarchar](max), 
    @note [nvarchar](max), 
    @owner [nvarchar](max), 
    @cost [decimal](18, 2), 
    @po_number [nvarchar](max), 
    @description [nvarchar](max), 
    @invoice_number [int], 
    @serial_number [nvarchar](max), 
    @asset_tag_number [nvarchar](max), 
    @acquired_date [datetime], 
    @disposed_date [datetime], 
    @verified_date [datetime], 
    @created_date [datetime], 
    @created_by [nvarchar](max), 
    @modified_date [datetime], 
    @modified_by [nvarchar](max) 
AS 
BEGIN 
    UPDATE [dbo].[INV_Assets] 
    SET [Model_Id] = @Model_Id, [Manufacturer_Id] = @Manufacturer_Id, [Type_Id] = @Type_Id, [Location_Id] = @Location_Id, [Vendor_Id] = @Vendor_Id, [Status_Id] = @Status_Id, [ip_address] = @ip_address, [mac_address] = @mac_address, [note] = @note, [owner] = @owner, [cost] = @cost, [po_number] = @po_number, [description] = @description, [invoice_number] = @invoice_number, [serial_number] = @serial_number, [asset_tag_number] = @asset_tag_number, [acquired_date] = @acquired_date, [disposed_date] = @disposed_date, [verified_date] = @verified_date, [created_date] = @created_date, [created_by] = @created_by, [modified_date] = @modified_date, [modified_by] = @modified_by 
    WHERE ([Id] = @Id) 
END

基礎上的文章中，我認爲，當我更新了我的INV_Asset記錄此過程中會自動閃光。如果是這樣，它不會像我打算的那樣向我的INV_AssetsHistory表添加記錄 - 這看起來不像SQL所指示的那樣。

是否需要手動修改我的INV_Assets_Update存儲過程，還是有幾行簡單的代碼我忽略/不知道要獲得我想要完成的內容？任何更有經驗的護理人員可以稱重？

我目前使用的是本地DBContext，但是在PROD這些表將會在ORACLE數據庫中。

來源

2015-03-13 Analytic Lunatic

上INV_ASSET觸發器會很快做的工作簡單地說。 – kevinsky 2015-03-13 19:26:15

我不確定EF是否是這裏最好的選擇，看起來像是數據庫觸發器的完美場景。 – 2015-03-13 19:28:06

你們中的任何一個人都可以提供一個示例或鏈接來指導如何設置？我對Sequel Server/Management Studio比較熟悉，但是ORACLE和Toad是我的新技術/工具。 – 2015-03-13 20:39:08

如已被別人評論，使用觸發器，這裏有一個例子：

CREATE TRIGGER INV_ASSET_BRIU ON INV_Asset 
BEFORE INSERT OR UPDATE 
FOR EACH ROW IS 
BEGIN 
    INSERT INTO INV_AssetHistory(id, col1, col2, ..., action_timestamp) 
    VALUES (:NEW.id, :NEW.col1, :NEW.col2, ..., SYSTIMESTAMP); 
END;

與此觸發每個版本將被插入到表INV_AssetHistory

來源

2015-03-16 13:17:11

謝謝。我知道如何在實際的DB中使用這個（我的經驗是使用SSMS），但是你知道如何使用本地DBContext'InventoryTrackerContext'來實現/測試這個觸發器嗎？我目前使用的是我的應用程序？如果有幫助，我正在VS2013工作。 – 2015-03-17 16:49:04

我不知道如何使用SSMS創建觸發器，但肯定有可能在T-SQL中創建觸發器。 – 2015-03-17 19:54:32

你能詳細說明一下嗎？我在Sequel服務器管理工作室（SSMS）中完成了存儲過程，但沒有使用觸發器做過很多嘗試 - 從未在VS2013中完成過。 – 2015-03-17 20:06:09

在創建/更新/刪除時插入歷史表的存儲過程？

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