EF Core 1: News features and changes
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1 Entity Framework Core 1 (formerly EF 7): New features and changes Manfred Steyer About me … Manfred Steyer Trainer & Consultant Angular & .NET Page 2
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Transcript of EF Core 1: News features and changes
1
Entity Framework Core 1 (formerly EF 7):New features and changes
Manfred Steyer
About me …
Manfred Steyer
Trainer & Consultant
Angular & .NET
Page 2
2
Contents
Entity Framework Today
Current Influences
Entity Framework Tomorrow
DEMO
Conclusion
Folie 4
ENTITY FRAMEWORK TODAY
Page 5
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EF 6.x
Folie 7
O/R-MapperMature
(since 2008)Optimized
Ecosystem Integration
Recommended LINQ
Modes of Operation
Folie 8
• Model First
• DB First
Mapping via XML
• Code First
• Code First with Reverse Engineering
Mapping via Code
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Code First brings several advantages
Folie 9
Reverse Engineering
Source ControlMore Intuitive for
Developers
More Freedom for Developers
Code-basedConfiguration
Conventions
Migrations
DbContext
Object Model
Folie 10
ObjectContext
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CURRENT INFLUENCES
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Folie 12
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ENTITY FRAMEWORK TOMORROW
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Goals
Reach
• .NET Core
• NoSQL
Tity up
• Focus: Code First
• RIP ObjectContext
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Non-Goals
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• Yes, but only when itreally makes sense
API-Changes
• NoSQL != RDBMSAbstract
Paradigms
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Migration
You have to modify existing code
Don't do it now!
Current Version 6.x will stay
Feature Set now
Folie 18
EF 6
EF Core 1
EF 6 is still the recommended version!
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Feature Set in Future
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EF 6
EF Core 1.x+
Some Limitations in EF Core 1.x
M:N-Relations
Model it with two 1:N
Lazy Loading
Just TPH-Inheritance
Complex Types
Custom Conventions
Mappings to Stored Procedures
Update Model from Database
Non-relational Providers
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Some new Features
Handling of detached Entities
Improvements for Eager-Loading and Batching
Client-Evaluation and Raw SQL
Shadow State
Alternate Keys
Linux, Universal-Apps
PostgreSQL, SQLite
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Core 1.x or 6.x
Web with.NET Core
EF Core 1.0
Universal Apps
EF Core 1.0
ElseEF 6.x
Code Frist
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DEMO
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Conclusion
EF Core 1.x: Spring-Cleaning
Getting rid of Legacy
One Mode of Operation: "Code First"
Time seems to be fitting: .NET Core
Increasing Reach:
NoSQL, Linux, Universal-Apps (.NET Core)
Providers for SQL Server, PostgreSQL, SQLite
New features, like Batching or Shadow Properties
EF 6.x is still recommended
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