static void Main(string[] args)
{
using (var context = new BloggingContext())
{
context.Database.EnsureDeleted();
context.Database.EnsureCreated();
context.Database.ExecuteSqlRaw(
@"create function [dbo].[SearchBlogs] (@searchTerm nvarchar(max))
returns @found table
(
BlogId int not null,
Url nvarchar(max),
Rating int
)
as
begin
insert into @found
select * from dbo.Blogs as b
where exists (
select 1
from [Post] as [p]
where ([b].[BlogId] = [p].[BlogId]) and (charindex(@searchTerm, [p].[Title]) > 0))
return
end");
}
using (var context = new BloggingContext())
{
#region FromSqlRaw
var blogs = context.Blogs
.FromSqlRaw("SELECT * FROM dbo.Blogs")
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlRawStoredProcedure
var blogs = context.Blogs
.FromSqlRaw("EXECUTE dbo.GetMostPopularBlogs")
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlRawStoredProcedureParameter
var user = "******";
var blogs = context.Blogs
.FromSqlRaw("EXECUTE dbo.GetMostPopularBlogsForUser {0}", user)
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlInterpolatedStoredProcedureParameter
var user = "******";
var blogs = context.Blogs
.FromSqlInterpolated($"EXECUTE dbo.GetMostPopularBlogsForUser {user}")
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlRawStoredProcedureSqlParameter
var user = new SqlParameter("user", "johndoe");
var blogs = context.Blogs
.FromSqlRaw("EXECUTE dbo.GetMostPopularBlogsForUser @user", user)
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlRawStoredProcedureNamedSqlParameter
var user = new SqlParameter("user", "johndoe");
var blogs = context.Blogs
.FromSqlRaw("EXECUTE dbo.GetMostPopularBlogsForUser @filterByUser=@user", user)
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlInterpolatedComposed
var searchTerm = "Lorem ipsum";
var blogs = context.Blogs
.FromSqlInterpolated($"SELECT * FROM dbo.SearchBlogs({searchTerm})")
.Where(b => b.Rating > 3)
.OrderByDescending(b => b.Rating)
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlInterpolatedAsNoTracking
var searchTerm = "Lorem ipsum";
var blogs = context.Blogs
.FromSqlInterpolated($"SELECT * FROM dbo.SearchBlogs({searchTerm})")
.AsNoTracking()
.ToList();
#endregion
}
using (var context = new BloggingContext())
{
#region FromSqlInterpolatedInclude
var searchTerm = "Lorem ipsum";
var blogs = context.Blogs
.FromSqlInterpolated($"SELECT * FROM dbo.SearchBlogs({searchTerm})")
.Include(b => b.Posts)
.ToList();
#endregion
}
}
