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roji merged 2 commits into from
Jun 10, 2025
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What's new updates for 10.0-preview.5 #5034

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What's new updates for 10.0-preview.5
roji May 23, 2025
4d22a56
Tweaks to default constraint names section
roji Jun 4, 2025
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5 changes: 2 additions & 3 deletions entity-framework/core/modeling/generated-properties.md
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Expand Up @@ -22,7 +22,7 @@ You can also specify a SQL fragment that is used to calculate the default value:

[!code-csharp[Main](../../../samples/core/Modeling/GeneratedProperties/FluentAPI/DefaultValueSql.cs?name=DefaultValueSql&highlight=3)]

Starting with EF 10, for SQL Server you can explicitly specify the name for default value constraints, giving you more control over your database schema.
Starting with EF 10, for SQL Server you can explicitly specify the name for default value constraints, giving you more control over your database schema.
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@roji roji Jun 4, 2025

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FYI @AndriySvyryd there were some weird whitespace chars here which I converted to regular spaces

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@AndriySvyryd AndriySvyryd Jun 4, 2025

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I blame Copilot

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@roji roji Jun 5, 2025

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So convenient... ;)


[!code-csharp[Main](../../../samples/core/Modeling/GeneratedProperties/FluentAPI/DefaultValue.cs?name=DefaultValueNamed&highlight=3)]

Expand All @@ -33,8 +33,7 @@ You can also call `UseNamedDefaultConstraints` to enable automatic naming of all
```C#
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder
.UseNamedDefaultConstraints();
modelBuilder.UseNamedDefaultConstraints();
}

```
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10 changes: 5 additions & 5 deletions entity-framework/core/what-is-new/ef-core-10.0/whatsnew.md
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Expand Up @@ -139,6 +139,7 @@ See [#12793](https://github.com/dotnet/efcore/issues/12793) and [#35367](https:/
- Translate `COALESCE` as `ISNULL` on SQL Server, for most cases ([#34171](https://github.com/dotnet/efcore/pull/34171), contributed by [@ranma42](https://github.com/ranma42)).
- Support some string functions taking `char` as arguments ([#34999](https://github.com/dotnet/efcore/pull/34999), contributed by [@ChrisJollyAU](https://github.com/ChrisJollyAU)).
- Support `MAX`/`MIN`/`ORDER BY` using `decimal` on SQLite ([#35606](https://github.com/dotnet/efcore/pull/35606), contributed by [@ranma42](https://github.com/ranma42)).
- Support projecting different navigations (but same type) via conditional operator ([#34589](https://github.com/dotnet/efcore/issues/34589), contributed by [@ranma42](https://github.com/ranma42)).

## ExecuteUpdateAsync now accepts a regular, non-expression lambda

Expand Down Expand Up @@ -187,11 +188,11 @@ Thanks to [@aradalvand](https://github.com/aradalvand) for proposing and pushing

<a name="default-constrain-names"></a>

## Custom Default Constraint Names
## Custom default constraint names

In previous versions of EF Core, when you specified a default value for a property, EF Core would always let the database automatically generate a constraint name. Now, you can explicitly specify the name for default value constraints for SQL Server, giving you more control over your database schema.
In previous versions of EF Core, when you specified a default value for a property, EF Core would always let the database automatically generate a constraint name. Now, you can explicitly specify the name for default value constraints for SQL Server, giving you more control over your database schema.

You can now specify a constraint name when defining default values in your model configuration:
You can now specify a constraint name when defining default values in your model configuration:

```C#
protected override void OnModelCreating(ModelBuilder modelBuilder)
Expand All @@ -212,8 +213,7 @@ You can also call `UseNamedDefaultConstraints` to enable automatic naming of all
```C#
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder
.UseNamedDefaultConstraints();
modelBuilder.UseNamedDefaultConstraints();
}

```
Expand Down