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What’s new in Entity Framework Core 2.0
5/18/2018 9:19 PM BRK3197 What’s new in Entity Framework Core 2.0 Diego Vega Program Manager Andrew Peters Software Engineer © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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About today’s session EF versions & flavors EF Core 2.0 Demos Roadmap
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Entity Framework versions and flavors
5/18/2018 9:19 PM Entity Framework versions and flavors Entity Framework O/R Mapper for .NET Framework EF 6.2 (in beta, ETA really soon) EF 6.0 – (2013 – 2015) EF 4.1 to 5.0 (2011 – 2012) EF 4.0 (2010) EF 1.0 (2008) Entity Framework Core Lightweight, extensible, and cross-platform O/R Mapper for .NET Standard EF Core 2.0 (2017) EF Core 1.0 – 1.1 (2016) EF Core 2.1 (ETA Q1 2018) © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Entity Framework Core 2.0 Themes
Runs everywhere .NET Standard 2.0 New features Query filters Function mapping Owned entities Table splitting Performance DbContext pooling Compiled queries Architecture improvements
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Demo EF Core 2.0 - Compiled Queries 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.0 - DbContext Pooling 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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DbContext per Request DI Container
Microsoft Build 2017 5/18/2018 9:19 PM DbContext per Request DI Container public class BlogsController : Controller { private BlogContext _context; public BlogsController(BlogContext context) _context = context; } public IActionResult Index() return _context.Blogs.ToList(); Request: /blogs/index Scope BlogContext Controller Blogs Scope Controller Blogs BlogContext Request: /blogs/index Scope Controller Blogs BlogContext Request: /blogs/index © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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DbContext Pooling DI Container
Microsoft Build 2017 5/18/2018 9:19 PM DbContext Pooling DI Container public class BlogsController : Controller { private BlogContext _context; public BlogsController(BlogContext context) _context = context; } public IActionResult Index() return _context.Blogs.ToList(); Request: /blogs/index Context Pool Scope Scope BlogContext Controller Blogs BlogContext BlogContext BlogContext BlogContext Scope Controller Blogs Request: /blogs/index BlogContext BlogContext Scope Controller Blogs Request: /blogs/index BlogContext © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.0 - Query Filters 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.0 - Owned Types and Table Splitting 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.0 - Function mapping 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.0 – EF.Functions.Like() 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.0 - String Interpolation on raw SQL APIs
5/18/2018 9:19 PM Demo EF Core String Interpolation on raw SQL APIs © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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One more thing…
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Entity Framework Core 2.1 Planned features
5/18/2018 9:19 PM Entity Framework Core 2.1 Planned features GroupBy Seeding View types Include for derived types System.Transactions Cosmos DB provider Sample Oracle provider Lazy loading Type conversions Lifecycle events Non-default constructors Update model from database Column ordering © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Entity Framework Core 2.1 How we prioritize work
5/18/2018 9:19 PM Entity Framework Core 2.1 How we prioritize work Customer impact Workarounds Building blocks Synergy Budget Pull requests © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.1 – View types 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Demo EF Core 2.1 – Data seeding 5/18/2018 9:19 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Entity Framework Core 2.1 Planned features
5/18/2018 9:19 PM Entity Framework Core 2.1 Planned features GroupBy Seeding View types Include for derived types System.Transactions Cosmos DB provider Sample Oracle provider Lazy loading Type conversions Lifecycle events Non-default constructors Update model from database Column ordering © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Session resources Demos https://github.com/anpete/efdemos
5/18/2018 9:19 PM Session resources Demos Project EF Core docs Blog © 2016 Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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Please evaluate this session
Tech Ready 15 5/18/2018 Please evaluate this session From your Please expand notes window at bottom of slide and read. Then Delete this text box. PC or tablet: visit MyIgnite Phone: download and use the Microsoft Ignite mobile app Your input is important! © 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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5/18/2018 9:19 PM Questions? © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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5/18/2018 9:19 PM © Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
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