CreateTableBuilder<TColumns>.PrimaryKey Metodo

Definizione

Spazio dei nomi:

Microsoft.EntityFrameworkCore.Migrations.Operations.Builders

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Pacchetto:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Configura una chiave primaria nella tabella.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation> PrimaryKey (string name, System.Linq.Expressions.Expression<Func<TColumns,object>> columns);

abstract member PrimaryKey : string * System.Linq.Expressions.Expression<Func<'Columns, obj>> -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>
override this.PrimaryKey : string * System.Linq.Expressions.Expression<Func<'Columns, obj>> -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>

Public Overridable Function PrimaryKey (name As String, columns As Expression(Of Func(Of TColumns, Object))) As OperationBuilder(Of AddPrimaryKeyOperation)

Parametri

name

String

Nome del vincolo di chiave primaria.

columns

Expression<Func<TColumns,Object>>

Colonne che costituiscono la chiave primaria.

Restituisce

OperationBuilder<AddPrimaryKeyOperation>

Lo stesso generatore in modo che più chiamate possano essere concatenati.