static void Main(string[] args)
{
using (var db = new BloggingContext())
{
var post = new Post() { Content = "jahgj", Title = "akjha" };
var blog = new Blog { Url = "http://blogs.msdn.com/adonet" , Posts = new System.Collections.Generic.List<Post>() { post } };
post.Blog = blog;
db.ChangeTracker.TrackGraph(blog, (n) => n.State = Microsoft.Data.Entity.EntityState.Added);
db.SaveChanges();
foreach (var blog1 in db.Blogs)
{
Console.WriteLine(blog1.Url);
}
}
}
public static void Insert()
{
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "Insert"))
{
var batchSW = LogStarted();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var operSW = new Stopwatch();
using (_operLogger.BeginScope("{OperId}", ".Insert1"))
{
LogStarted(operSW);
var user = new User
{
Name1 = "User Insert 123",
DateCreate = DateTime.Now,
Gender = Gender.Female,
Id = 3
};
var res = ctx.Insert <User>(user);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert2 (with anonymous)"))
{
LogStarted(operSW);
var obj = new
{
Name1 = "User Insert 123",
DateCreate = DateTime.Now,
Gender = Gender.Female
};
var res = ctx.Insert <User>(obj);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert3"))
{
LogStarted(operSW);
var user = new User()
{
Name1 = "User Insert 345",
DateCreate = DateTime.Now,
Gender = Gender.Male
};
var res = ctx.Insert <User>(user);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert4 (without return identity)"))
{
LogStarted(operSW);
var user = new User()
{
Name1 = "User Insert 345",
DateCreate = DateTime.Now,
Gender = Gender.Male
};
var res = ctx.Insert <User>(user, returnIdentity: false);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert5 (without return identity)"))
{
LogStarted(operSW);
var user = new User()
{
Name1 = "User Insert 345",
DateCreate = DateTime.Now,
Gender = Gender.Male
};
var res = ctx.Insert <User>(user, propertyKey: "User_Id");
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert6 (with class)"))
{
LogStarted(operSW);
var blog = new Blog
{
Name = "Blog1",
UserId = 2,
Description = "Blog1 desc",
DateCreate = DateTime.Now
};
var res = ctx.Insert <Blog>(blog);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert7 (with anonymous and DbSet)"))
{
LogStarted(operSW);
var obj = new
{
Name1 = "User Insert 123",
DateCreate = DateTime.Now,
Gender = Gender.Female
};
var res = ctx.Users.Insert(obj);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Insert8 (bulk)"))
{
LogStarted(operSW);
var dt = DateTime.Now;
var objs = new[]
{
new {
Name1 = "User Insert 123",
DateCreate = dt,
Gender = Gender.Female
},
new {
Name1 = "User Insert 234",
DateCreate = dt,
Gender = Gender.Male
},
new {
Name1 = "User Insert 345",
DateCreate = dt,
Gender = Gender.Female
},
};
var res = ctx.Insert <User>(objs, 2);
LogElapsed(operSW, "ended", $"res = {res}");
}
}
LogElapsed(batchSW, "ended");
}
}
public static async Task SelectAsync()
{
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "SelectAsync"))
{
var tasks = new List <Task>();
var batchSw = LogStarted();
var operSw = Stopwatch.StartNew();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
ctx.SetDapperMapping <User>();
}
LogElapsed(operSw, "set mapping");
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Select1"))
{
var sw = LogStarted();
int count = 0;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var stateSw = Stopwatch.StartNew();
var q = ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2").OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2);
LogElapsed(stateSw, "created query");
count = (await ctx.QueryAsync(q).ConfigureAwait(false)).Count();
}
LogElapsed(sw, "ended", $"count = {count}");
}
}));
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Select2 (with selector)"))
{
var sw = LogStarted();
int count = 0;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var stateSw = Stopwatch.StartNew();
var q = ctx.Users.Where(o => o.Id > 1).OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2).Select(x => new { x.Id, Name = x.Name1 });
LogElapsed(stateSw, "created query");
count = (await ctx.QueryAsync(q).ConfigureAwait(false)).Count();
}
LogElapsed(sw, "ended", $"count = {count}");
}
}));
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Select3"))
{
var sw = LogStarted();
int count = 0;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var stateSw = Stopwatch.StartNew();
var q = ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2").OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2);
LogElapsed(stateSw, "created query");
count = (await ctx.QueryAsync(q).ConfigureAwait(false)).Count();
}
LogElapsed(sw, "ended", $"count = {count}");
}
}));
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Select4 (with selector)"))
{
var sw = LogStarted();
int count = 0;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var stateSw = Stopwatch.StartNew();
var q = ctx.Users.Where(o => o.Id > 1).OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2).Select(x => new { x.Id, Name = x.Name1 });
LogElapsed(stateSw, "created query");
var res = (await ctx.QueryAsync(q).ConfigureAwait(false)).Count();
}
LogElapsed(sw, "ended", $"count = {count}");
}
}));
await Task.WhenAll(tasks).ConfigureAwait(false);
LogElapsed(batchSw, "ended");
}
}
public static void SelectSync()
{
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "SelectSync"))
{
var batchSw = LogStarted();
var operSw = new Stopwatch();
using (_operLogger.BeginScope("{OperId}", ".Warmup"))
{
LogStarted(operSw);
//warmup
using (var ctx = new BloggingContext(_dbCtxOpts))
{
ctx.SetDapperMapping <User>();
var q = ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2").OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2);
var result = ctx.Query(q);
}
LogElapsed(operSw, "ended", "ignore timing");
}
LogNewLine();
batchSw.Restart();
operSw.Restart();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
LogElapsed(operSw, "created context");
using (_operLogger.BeginScope("{OperId}", ".Select1"))
{
LogStarted(operSw);
var q = ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2").OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2);
var res = ctx.Query(q);
LogElapsed(operSw, "ended", $"count = {res.Count()}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Select12 (with selector)"))
{
LogStarted(operSw);
var q = ctx.Users.Where(o => o.Id > 1).OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2).Select(x => new { x.Id, Name = x.Name1 });
var res = ctx.Query(q);
LogElapsed(operSw, "ended", $"count = {res.Count()}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Select13"))
{
LogStarted(operSw);
var q = ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2").OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2);
var res = ctx.Query(q);
LogElapsed(operSw, "ended", $"count = {res.Count()}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Select14 (with selector)"))
{
LogStarted(operSw);
var q = ctx.Users.Where(o => o.Id > 1).OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2).Select(x => new { x.Id, Name = x.Name1 });
var res = ctx.Query(q);
LogElapsed(operSw, "ended", $"count = {res.Count()}");
}
operSw.Restart();
}
LogElapsed(operSw, "disposed context");
LogElapsed(batchSw, "ended");
}
}
public static void Select()
{
var q1 = EF.CompileQuery(
(BloggingContext ctx) =>
ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2")
.OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2));
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "Select"))
{
var batchSW = LogStarted();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
ctx.SetDapperMapping <User>();
var operSW = new Stopwatch();
using (_operLogger.BeginScope("{OperId}", ".Select1a (compiled)"))
{
LogStarted(operSW);
var res = q1(ctx);
LogElapsed(operSW, "ended", $"count = {res.Count()}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Select1"))
{
LogStarted(operSW);
var q = ctx.Users.Where(o => o.Id > 1 && o.Name1 == "User Insert2")
.OrderBy(x => x.Id).ThenByDescending(x => x.Name1).Take(2);
var res = ctx.Query(q);
LogElapsed(operSW, "ended", $"count = {res.Count()}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Select2 (with selector)"))
{
LogStarted(operSW);
var q = ctx.Users.Where(o => o.Id > 1).OrderBy(x => x.Id).ThenByDescending(x => x.Name1)
.Take(2).Select(x => new { x.Id, Name = x.Name1 });
var res = ctx.Query(q);
LogElapsed(operSW, "ended", $"count = {res.Count()}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Select3"))
{
LogStarted(operSW);
var q = ctx.Blogs.Where(b => b.Name == "Blog2").Join(ctx.Users, o => o.UserId, i => i.Id,
(o, i) => new { Blog = o, User = i });
var res = ctx.Query(q, (Blog b, User u) =>
{
b.User = u;
return(new { Blog = b, User = u });
});
LogElapsed(operSW, "ended", $"count = {res.Count()}");
}
var stateSw = new Stopwatch();
using (_operLogger.BeginScope("{OperId}", ".Select4"))
{
LogNewLine();
LogStarted(operSW);
stateSw.Restart();
var q = from u in ctx.Users
join b in ctx.Blogs on u.Id equals b.UserId into bg
from b in bg.DefaultIfEmpty()
join p in ctx.BlogPosts on b.Id equals p.BlogId into pg
from p in pg.DefaultIfEmpty()
where u.Id == 2
select new
{
User = u,
Blog = b,
Post = p
};
LogElapsed(stateSw, "created query");
var res = ctx.Query(q, (User u, Blog b, BlogPost p) =>
{
b.User = u;
if (p != null)
{
p.Blog = b;
}
return(new
{
User = u,
Blog = b,
Post = p
});
});
stateSw.Restart();
var users = res.GroupBy(ug => ug.User.Id, (key, uItems) =>
{
var item = uItems.First();
item.User.Blogs = uItems.GroupBy(bg => bg.Blog?.Id, (bid, bItems) =>
{
var bitem = bItems.FirstOrDefault();
if (bitem == null)
{
return(null);
}
bitem.Blog.BlogPosts = bItems.Select(x => x.Post).
Where(x => x != null).ToArray();
return(bitem.Blog);
}).Where(x => x != null).ToArray();
return(item.User);
}).ToArray();
LogElapsed(stateSw, "processed result");
LogElapsed(operSW, "ended", $"count = {res.Count()}");
}
}
LogElapsed(batchSW, "ended");
}
}
public static async Task UpdateAsync()
{
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "UpdateAsync"))
{
var tasks = new List <Task>();
var batchSw = LogStarted();
var operSw = Stopwatch.StartNew();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
ctx.SetDapperMapping <User>();
}
LogElapsed(operSw, "set mapping");
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Update1"))
{
var sw = LogStarted();
int res;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var obj = new
{
Gender = Gender.Male,
Id = 2,
Name1 = "test2"
};
var id = 3;
var name = "teste";
res = await ctx.UpdateAsync <User>(obj, x => x.Id == id && x.Name1 == name).ConfigureAwait(false);
}
LogElapsed(sw, "ended", $"res = {res}");
}
}));
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Update2"))
{
var sw = LogStarted();
int res;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var obj = new
{
Gender = Gender.Male,
Id = 2,
Name1 = "teste"
};
var id = 3;
var name = "test2";
res = await ctx.UpdateAsync <User>(obj, x => x.Id == id && x.Name1 == name).ConfigureAwait(false);
}
LogElapsed(sw, "ended", $"res = {res}");
}
}));
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Update3 (bulk)"))
{
var sw = LogStarted();
int res;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var objs = new[]
{
new
{
Gender = Gender.Male,
Id = 8,
Name1 = "User Insert83"
},
new
{
Gender = Gender.Female,
Id = 9,
Name1 = "User Insert93"
},
new
{
Gender = Gender.Female,
Id = 10,
Name1 = "User Insert103"
}
};
res = await ctx.UpdateAsync <User>(objs, 2);
}
LogElapsed(sw, "ended", $"res = {res}");
}
}));
await Task.WhenAll(tasks).ConfigureAwait(false);
LogElapsed(batchSw, "ended");
}
}
public static void Update()
{
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "Update"))
{
var batchSW = LogStarted();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var operSW = new Stopwatch();
using (_operLogger.BeginScope("{OperId}", ".Update1 (with anonymous)"))
{
LogStarted(operSW);
var obj = new
{
Gender = Gender.Male,
Id = 2,
Name1 = "test2"
};
var id = 3;
var res = ctx.Update <User>(obj, x => x.Id == id && x.Name1 == "teste");
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Update2 (with anonymous)"))
{
LogStarted(operSW);
var obj = new
{
Gender = Gender.Male,
Id = 2
};
var res = ctx.Update <User>(obj);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Update3 (with query)"))
{
LogStarted(operSW);
var res = ctx.Update <User>(new
{
Gender = Gender.Female
}, o => o.Id == 1);
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Update4 (with complex query)"))
{
LogStarted(operSW);
var name = "teste";
var res = ctx.Update <User>(new
{
Gender = Gender.Female
}, o => o.Id == 1 && (o.Name1 == name || o.DateCreate > DateTime.Now));
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Update5 (with complex query)"))
{
LogStarted(operSW);
var name = "teste";
var res = ctx.Update <User>(new
{
Gender = Gender.Female
}, o => o.Id == 1 && (o.Name1 == name || o.DateCreate > DateTime.Now));
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Update6 (with DbSet)"))
{
LogStarted(operSW);
var name = "teste";
var res = ctx.Users.Update(new
{
Gender = Gender.Female
}, o => o.Id == 1 && (o.Name1 == name || o.DateCreate > DateTime.Now));
LogElapsed(operSW, "ended", $"res = {res}");
}
LogNewLine();
using (_operLogger.BeginScope("{OperId}", ".Update7 (bulk)"))
{
LogStarted(operSW);
var objs = new[]
{
new
{
Gender = Gender.Male,
Id = 8,
Name1 = "User Insert8"
},
new
{
Gender = Gender.Female,
Id = 9,
Name1 = "User Insert9"
},
new
{
Gender = Gender.Female,
Id = 10,
Name1 = "User Insert10"
}
};
var res = ctx.Update <User>(objs);
LogElapsed(operSW, "ended", $"res = {res}");
}
}
LogElapsed(batchSW, "ended");
}
}
public static async Task InsertAsync()
{
LogNewLine();
using (_operLogger.BeginScope("{BatchId}", "InsertAsync"))
{
var tasks = new List <Task>();
var batchSw = LogStarted();
var operSw = Stopwatch.StartNew();
using (var ctx = new BloggingContext(_dbCtxOpts))
{
ctx.SetDapperMapping <User>();
}
LogElapsed(operSw, "set mapping");
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Insert1"))
{
var sw = LogStarted();
decimal?res;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var u = new User
{
Name1 = "User Insert 123",
DateCreate = DateTime.Now,
Gender = Gender.Female,
Id = 3
};
res = await ctx.InsertAsync <User>(u).ConfigureAwait(false);
}
LogElapsed(sw, "ended", $"res = {res}");
}
}));
tasks.Add(Task.Run(async() =>
{
using (_operLogger.BeginScope("{OperId}", ".Insert2"))
{
var sw = LogStarted();
int res;
using (var ctx = new BloggingContext(_dbCtxOpts))
{
var dt = DateTime.Now;
var objs = new[]
{
new {
Name1 = "User Insert 123",
DateCreate = dt,
Gender = Gender.Female
},
new {
Name1 = "User Insert 234",
DateCreate = dt,
Gender = Gender.Male
},
new {
Name1 = "User Insert 345",
DateCreate = dt,
Gender = Gender.Female
},
};
res = await ctx.InsertAsync <User>(objs, 2).ConfigureAwait(false);
}
LogElapsed(sw, "ended", $"res = {res}");
}
}));
await Task.WhenAll(tasks).ConfigureAwait(false);
LogElapsed(batchSw, "ended");
}
}