Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

update whats new for preview2 #4964

Merged
merged 1 commit into from
Mar 18, 2025
Merged

update whats new for preview2 #4964

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 6 additions & 2 deletions entity-framework/core/what-is-new/ef-core-10.0/whatsnew.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ EF10 requires the .NET 10 SDK to build and requires the .NET 10 runtime to run.

<a name="support-left-join"></a>

### Support for the .NET 10 LeftJoin operator
### Support for the .NET 10 `LeftJoin` and `RightJoin` operators

`LEFT JOIN` is a common and useful operation when working with EF Core. In previous versions, implementing `LEFT JOIN` in LINQ was quite complicated, requiring `SelectMany`, `GroupJoin` and `DefaultIfEmpty` operations [in a particular configuration](/dotnet/csharp/linq/standard-query-operators/join-operations#perform-left-outer-joins).

Expand All @@ -46,7 +46,10 @@ var query = context.Students
});
```

See [#12793](https://github.com/dotnet/efcore/issues/12793) for more details.
> [!NOTE]
> EF 10 also supports the analogous `RightJoin` operator, which keeps all the data from the second collection and only the matching data from the first collection. EF 10 translates this to `RIGHT JOIN` operation in the database.

See [#12793](https://github.com/dotnet/efcore/issues/12793) and [#35367](https://github.com/dotnet/efcore/issues/35367) for more details.

<a name="other-query-improvements"></a>

Expand Down Expand Up @@ -109,3 +112,4 @@ Thanks to [@aradalvand](https://github.com/aradalvand) for proposing and pushing
## Other improvements

* Make SQL Server scaffolding compatible with Azure Data Explorer ([#34832](https://github.com/dotnet/efcore/pull/34832), contributed by [@barnuri](https://github.com/barnuri)).
* Associate the DatabaseRoot with the scoped options instance and not the singleton options ([#34477](https://github.com/dotnet/efcore/pull/34477), contributed by [@koenigst](https://github.com/koenigst)).
Loading