| [PetaPoco](http://www.toptensoftware.com/petapoco/) | 52ms | [Can be faster](http://web.archive.org/web/20170921124755/http://www.toptensoftware.com/blog/posts/94-PetaPoco-More-Speed) |
| [PetaPoco](https://github.com/CollaboratingPlatypus/PetaPoco) | 52ms | [Can be faster](https://web.archive.org/web/20170921124755/http://www.toptensoftware.com/blog/posts/94-PetaPoco-More-Speed) |
| BLToolkit | 80ms |
| SubSonic CodingHorror | 107ms |
| NHibernate SQL | 104ms |
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@@ -153,7 +166,7 @@ Parameterized queries
Parameters are passed in as anonymous classes. This allow you to name your parameters easily and gives you the ability to simply cut-and-paste SQL snippets and run them in your db platform's Query analyzer.
```csharp
new{A=1,B="b"}// A will be mapped to the param @A, B to the param @B
new{A=1,B="b"}// A will be mapped to the param @A, B to the param @B
```
List Support
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@@ -215,7 +228,7 @@ class User
Now let us say that we want to map a query that joins both the posts and the users table. Until now if we needed to combine the result of 2 queries, we'd need a new object to express it but it makes more sense in this case to put the `User` object inside the `Post` object.
This is the user case for multi mapping. You tell dapper that the query returns a `Post` and a `User` object and then give it a function describing what you want to do with each of the rows containing both a `Post` and a `User` object. In our case, we want to take the user object and put it inside the post object. So we write the function:
This is the user case for multi mapping. You tell dapper that the query returns a `Post` and a `User` object and then give it a function describing what you want to do with each of the rows containing both a `Post` and a `User` object. In our case, we want to take the user object and put it inside the post object. So we write the function:
```csharp
(post,user)=>{post.Owner=user;returnpost;}
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@@ -230,11 +243,11 @@ The 3 type arguments to the `Query` method specify what objects dapper should us
