Question

对不起，这可能是一个活泼的问题，但我不知道如何解决这个问题。我有MySQL数据库，我使用Entity FrameWork工作。模型看起来像这样：http://img42.com/yr36w+（Stackoverflow不想加载图片，所以我会给你链接）。

我有控制器，在我的数据库中添加内容和一些细节，通过整个表格。它创造了：

用户
关于他的详细信息（姓名，地址等）
他的内容（我的电脑上的图像上有0..10个链接）
一篇文章
将此帖子中的链接添加到他的部分内容
从帖子添加链接到0..10个用户（用户，喜欢这篇文章）

我希望通过这个迭代至少进行10000次（创建10k完全伴随用户）。我从第一版开始做了一些改进，它们大大减少了演奏时间，但无论如何它需要太长时间。现在在5k之后，它需要3秒才能完成迭代。

我不知道如何进一步改善。所有方法都同样有效，但我会给你整个控制器以便更好地理解。你能说出我的代码有问题点吗？请帮助，对我来说非常有用，因为我真的不知道要朝哪个方向移动。

string images = @"C:\Users\Kirill\Documents\Visual Studio 2013\Projects\MySQLMVC2\MySQLMVC2\Images";
    private static courseworkEntities db = new courseworkEntities();
    static Random randomizer = new Random();
    int postCategoryLength = db.postcategory.Count();
    int usersLength = db.user.Count();
    int countryLength = db.country.Count();


   private void createUser()
    {
        user newUser = db.user.Create();
        newUser.login = getRandomString(10);
        newUser.password = getRandomString(10);
        newUser.email = string.Concat(getRandomString(6), "@gmail.com".ToString());
        db.user.Add(newUser);
        db.SaveChanges();
        usersLength += 1;
        int iduser = newUser.iduser;
        createUserDetails(iduser);
        int howMuch = randomizer.Next(11);
        for(int i=0;i<howMuch;i++)
        createContent(iduser);
        createPost(iduser, howMuch);
    }

    private userdetails createUserDetails(int iduser)
    {
        userdetails newUserDetails = db.userdetails.Create();
        newUserDetails.Surname = getRandomString(10);
        newUserDetails.Name = getRandomString(10);
        newUserDetails.Phone = getRandomString(9);
        newUserDetails.iduserDetails = iduser;
        db.userdetails.Add(newUserDetails);
        db.SaveChanges();
        createAddress(newUserDetails.iduserDetails);
        return newUserDetails;
    }

    private post createPost(int iduser, int amountOfContent)
    {
        post newPost = db.post.Create();
        newPost.ownerId = iduser;
        int idPostCategory = randomizer.Next(1, postCategoryLength);
        newPost.postCategory = idPostCategory;
        newPost.Name = getRandomString(10);
        newPost.Description = getRandomString(10);
        newPost.CreateDateTime = DateTime.Now;
        db.post.Add(newPost);
        db.SaveChanges();
        int idpost = newPost.idpost;
        amountOfContent = randomizer.Next(0, amountOfContent+1);
        for (int i = 0; i < amountOfContent; i++)
        {
            createPostContent(newPost);
        }
        amountOfContent = randomizer.Next(0, Math.Min(usersLength, 10));
        for (int i = 0; i < amountOfContent; i++)
        {
            createUserLiked(idpost);
        }
        return newPost;
    }

    private postcontent createPostContent(post post)
    {
        postcontent newPostContent = db.postcontent.Create();
        newPostContent.postID = post.idpost;
        content content = post.user.content.ElementAt(randomizer.Next(0, post.user.content.Count()));
        newPostContent.contentId = content.idcontent;
        db.postcontent.Add(newPostContent);
        db.SaveChanges();
        return newPostContent;
    }

    private usersliked createUserLiked(int idpost)
    {
        usersliked newUsersLiked = db.usersliked.Create();
        newUsersLiked.postId = idpost;
        //int length = db.user.Count();
        //user user = post.user;
        int id = randomizer.Next(29, usersLength);
        //user user = db.user.Find(id);
        newUsersLiked.userId = id;
        db.usersliked.Add(newUsersLiked);
        db.SaveChanges();
        return newUsersLiked;
    }

    private address createAddress(int iduserDetails)
    {
        address newAddress = db.address.Create();
        newAddress.addressLine = getRandomString(20);
        newAddress.city = getRandomString(10);
        newAddress.postalCode = getRandomInt(6);
        newAddress.idaddress = iduserDetails;
        int idCountry = randomizer.Next(1, countryLength);
        newAddress.countryId = idCountry;
        db.address.Add(newAddress);
        db.SaveChanges();
        return newAddress;
    }

    private content createContent(int iduser)
    {
        content newContent = db.content.Create();
        newContent.ownerId = iduser;
        newContent.path = System.IO.Path.Combine(images, String.Concat(randomizer.Next(1, 500001).ToString(), ".jpg"));
        db.content.Add(newContent);
        db.SaveChanges();
        return newContent;
    }

    [HttpPost]
    [ValidateAntiForgeryToken]
    public ActionResult Create(int model)
    {
        for (int i = 0; i < model;i++)
            createUser();
        try
        {
            return RedirectToAction("Index");
        }
        catch
        {
            return View();
        }
    }

MySQL的;实体框架;插入太慢

0 个答案: