More info on http://www.techdays.be

1. Deep Dive into
Entity Framework 6
Diego Vega
Developer Lead
Microsoft

2. Deep Dive into EF6 | Agenda
Runtime
Open & Release
Demo Post EF6
Source Designer details
features

3. EF Overview | What is EF?
• Recommended technology to connect .NET Microsoft’s
applications to databases Object/Relational
• LINQ against disparate relational databases Mapper
• Make .NET & Windows Azure the best platform for
data centered apps Product goals
• Be the most productive data access API

4. EF6 | Open Source Development
Look mom, it’s Open Source!!!
 Git repository at entityframework.codeplex.com
 Code under Apache 2.0 license
 Nightly builds available
 Accepting contributions
 Only EF team has commit rights to repo
 Contributions go through same code review process as internal changes
 13 pull requests, 9 accepted
 Currently working to add designer to out Git repo
Only affects how we develop, not how we ship
 Same Microsoft branding, license, quality and support at RTM

5. EF6 Runtime | Fully Out-Of-Band
EF5 Runtime EF6 Runtime
 Core bits in .NET Framework  All classes in NuGet package
 In the GAC  Core classes copied into new namespace
 Some bits in NuGet package  Most applications should just work with
(DbContext, Code First, Migrations) recompile, some namespace changes
 Providers, frameworks and tools typically
 Bin-deployable
need more updates
Major features required .NET All of enums, spatial, TVFs and
Framework Changes!  EF5 performance
improvements now work on
.NET 4! 

6. EF6 Runtime | New Features
Async query & save Code First improvements
 .NET 4.5 Only  Custom conventions
Connection resiliency (auto-retry)  CUD stored procedure mapping
Dependency resolution  Migrations history table
customization
Code-based configuration  Multiple contexts per database
Connection & transaction More performance improvements
management in DbContext

7. EF6 Tooling Unification
Model First & Database First
(EF Designer)
Code First – Existing Database
(EF Power Tools)
Code First – New Database (No
Tooling)

8. Getting EF6
Updating existing applications
Code First Stored Procedure Mapping for CUD
Async Query and Save
Code-based configuration
Custom Code First Conventions

9. EF6 | Release Timeline
Alpha 3 of the runtime available now on NuGet
 Will keep shipping preview versions every 1 or 2 months
 Nightly builds available from NuGet feed on MyGet
EF 6 Tools preview within next couple of months
RTM
 In the box in Visual Studio vNext
 EF6 Runtime available on NuGet
 Works with VS2010/.NET 4 onwards
 Downloadable tooling update for Visual Studio 2012
Updates to runtime and designer can be shipped between VS releases

10. Post EF6 potential features - vote @
ef.mswish.net
EF for Windows Store Apps with More flexible LINQ translation
SQLite for local data  Implicit boundaries
 Also Windows Phone support?  Expression variables support
Batch updates Data caching (2nd level cache)
SQL generation improvements First class DDD aggregates
More flexible mapping Disconnected graphs support
 Mapping to fields SQL Federations & Sharding
 Type conversions Micro-O/RM-like capabilities
 Shadow state
Unique constraints
 Untyped objects
 Serializing to BLOB columns Query hints
Lifecycle hooks ???

11. EF | Resources
Learn Follow us
 msdn.com/data/ef  @efmagicunicorns
Contribute  @divega
 entityframework.codeplex.com  facebook.com/efmagicunicorns
Vote  blogs.msdn.com/adonet
 ef.mswish.net  blogs.msdn.com/diego