MigrationBuilder.DropCheckConstraint(String, String, String) Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Migrations

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Builds a DropCheckConstraintOperation to drop an existing check constraint.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropCheckConstraintOperation> DropCheckConstraint (string name, string table, string? schema = default);

abstract member DropCheckConstraint : string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropCheckConstraintOperation>
override this.DropCheckConstraint : string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.DropCheckConstraintOperation>

Public Overridable Function DropCheckConstraint (name As String, table As String, Optional schema As String = Nothing) As OperationBuilder(Of DropCheckConstraintOperation)

Parameters

name

String

The name of the check constraint to drop.

table

String

The name of the table for the check constraint to drop.

schema

String

The schema that contains the check constraint, or null to use the default schema.

Returns

OperationBuilder<DropCheckConstraintOperation>

A builder to allow annotations to be added to the operation.

Remarks

See Database migrations for more information and examples.