CreateTableBuilder<TColumns>.PrimaryKey Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Configures a primary key on the table.
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)Parameters
- name
- String
The primary key constraint name.
- columns
- Expression<Func<TColumns,Object>>
The columns that make up the primary key.
Returns
The same builder so that multiple calls can be chained.
Applies to
Met ons samenwerken op GitHub
De bron voor deze inhoud vindt u op GitHub, waar u ook problemen en pull-aanvragen kunt maken en controleren. Bekijk onze gids voor inzenders voor meer informatie.
Entity Framework