static void Main(string[] args)
{
using (var context = new AdsEntities())
{
/* The slow version */
var adsWithoutInclude = context.Ads;
foreach (var ad in adsWithoutInclude)
{
Console.WriteLine("{0}; {1}; {2}; {3}; {4}",
ad.Title,
(ad.AdStatus != null ? ad.AdStatus.Status : "null"),
(ad.Category != null ? ad.Category.Name : "null"),
(ad.Town != null ? ad.Town.Name : "null"),
(ad.AspNetUser != null ? ad.AspNetUser.UserName : "******"));
}
/* The fast version */
var adsWithInclude = from ad in context.Ads.Include(a => a.AdStatus)
.Include(a => a.Category)
.Include(a => a.Town)
.Include(a => a.AspNetUser)
select ad;
foreach (var ad in adsWithInclude)
{
Console.WriteLine("{0}; {1}; {2}; {3}; {4}",
ad.Title,
(ad.AdStatus != null ? ad.AdStatus.Status : "null"),
(ad.Category != null ? ad.Category.Name : "null"),
(ad.Town != null ? ad.Town.Name : "null"),
(ad.AspNetUser != null ? ad.AspNetUser.UserName : "******"));
}
}
}
static void Main(string[] args)
{
using (var context = new AdsEntities())
{
/* The slow version */
var adsSlow = context.Ads
.ToList()
.Where(a => a.AdStatus != null && a.AdStatus.Status == "Published")
.Select(a => new
{
Title = a.Title,
PublishDate = a.Date,
Category = a.Category,
Town = a.Town
}).ToList()
.OrderBy(a => a.PublishDate);
/* The fast version */
var adsFast = from ad in context.Ads
where ad.AdStatus.Status == "Published"
orderby ad.Date
select new
{
Title = ad.Title,
Category = ad.Category,
Town = ad.Town
};
}
}
static void Main(string[] args)
{
using (var context = new AdsEntities())
{
/* The slow version */
var ads = from ad in context.Ads
select ad;
/* The fast version */
var adsTitles = from ad in context.Ads
select ad.Title;
}
}
