Deep Dive into Entity Framework 6Diego VegaDeveloper LeadMicrosoft
Deep Dive into EF6 | Agenda
Open Source
Runtime &
Designer
features
Demo Release details
Post EF6
EF Overview | What is EF?
Microsoft’s Object/Relational Mapper
• Recommended technology to connect .NET applications to databases
• LINQ against disparate relational databases
Product goals• Make .NET & Windows Azure the best
platform for data centered apps• Be the most productive data access API
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 repoOnly affects how we develop, not how we ship Same Microsoft branding, license, quality and support at RTM
EF6 Runtime | Fully Out-Of-Band
EF5 Runtime Core bits in .NET Framework
In the GAC Some bits in NuGet package
(DbContext, Code First, Migrations) Bin-deployable
Major features required .NET Framework Changes!
EF6 Runtime All classes in NuGet package
Core classes copied into new namespace
Most applications should just work with recompile, some namespace changes
Providers, frameworks and tools typically need more updates
All of enums, spatial, TVFs and EF5 performance improvements now work on .NET 4!
EF6 Runtime | New Features
Async query & save .NET 4.5 OnlyConnection resiliency (auto-retry)Dependency resolutionCode-based configurationConnection & transaction management in DbContext
Code First improvements Custom conventions CUD stored procedure mapping Migrations history table customization Multiple contexts per databaseMore performance improvements
EF6 Tooling Unification
Model First & Database First (EF Designer)
Code First – Existing Database (EF Power Tools)
Code First – New Database (No Tooling)
EF6 | Demo
Getting EF6Updating existing applicationsCode First Stored Procedure Mapping for CUDAsync Query and SaveCode-based configurationCustom Code First Conventions
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 MyGetEF 6 Tools preview within next couple of monthsRTM In the box in Visual Studio vNext EF6 Runtime available on NuGet
Works with VS2010/.NET 4 onwards Downloadable tooling update for Visual Studio 2012Updates to runtime and designer can be shipped between VS releases
Post EF6 potential features - vote @ ef.mswish.net
EF for Windows Store Apps with SQLite for local data Also Windows Phone support?Batch updatesSQL generation improvementsMore flexible mapping Mapping to fields Type conversions Shadow state Untyped objects Serializing to BLOB columnsLifecycle hooks
More flexible LINQ translation Implicit boundaries Expression variables supportData caching (2nd level cache)First class DDD aggregatesDisconnected graphs supportSQL Federations & ShardingMicro-O/RM-like capabilitiesUnique constraintsQuery hints???
EF | Resources
Learn msdn.com/data/efContribute entityframework.codeplex.comVote ef.mswish.net
Follow us @efmagicunicorns @divega facebook.com/efmagicunicorns blogs.msdn.com/adonet blogs.msdn.com/diego
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