MigrationBuilder.DropPrimaryKey(String, String, String) Method
Definition
Important
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Builds a DropPrimaryKeyOperation to drop an existing primary key.
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropPrimaryKeyOperation> DropPrimaryKey (string name, string table, string schema = default);public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropPrimaryKeyOperation> DropPrimaryKey (string name, string table, string? schema = default);abstract member DropPrimaryKey : string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropPrimaryKeyOperation>
override this.DropPrimaryKey : string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropPrimaryKeyOperation>Public Overridable Function DropPrimaryKey (name As String, table As String, Optional schema As String = Nothing) As OperationBuilder(Of DropPrimaryKeyOperation)Parameters
- name
- String
The name of the primary key constraint to drop.
- table
- String
The table that contains the key.
- schema
- String
The schema that contains the table, or null to use the default schema.
Returns
A builder to allow annotations to be added to the operation.
Remarks
See Database migrations for more information and examples.
Applies to
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Entity Framework