RelationalModelBuilderExtensions.HasMaxIdentifierLength 方法

定義

命名空間:

Microsoft.EntityFrameworkCore

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v8.0.0

設定存放區識別碼允許的最大長度。

public static Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionModelBuilder? HasMaxIdentifierLength (this Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionModelBuilder modelBuilder, int? length, bool fromDataAnnotation = false);

static member HasMaxIdentifierLength : Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionModelBuilder * Nullable<int> * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionModelBuilder

<Extension()>
Public Function HasMaxIdentifierLength (modelBuilder As IConventionModelBuilder, length As Nullable(Of Integer), Optional fromDataAnnotation As Boolean = false) As IConventionModelBuilder

參數

modelBuilder

IConventionModelBuilder

模型產生器。

length

Nullable<Int32>

要設定的值。

fromDataAnnotation

Boolean

指出是否使用資料批註來指定組態。

傳回

IConventionModelBuilder

如果套用組態，則為相同的產生器實例， null 否則為 。

備註

如需詳細資訊和範例，請參閱 模型化實體類型和關聯 性。