MigrationBuilder.AddCheckConstraint(String, String, String, String) Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Migrations

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Builds an AddCheckConstraintOperation to add a new check constraint to a table.

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

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

Public Overridable Function AddCheckConstraint (name As String, table As String, sql As String, Optional schema As String = Nothing) As OperationBuilder(Of AddCheckConstraintOperation)

Parameters

name

String

The check constraint name.

table

String

The name of the table for the check constraint.

sql

String

The constraint sql for the check constraint.

schema

String

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

Returns

OperationBuilder<AddCheckConstraintOperation>

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

Remarks

See Database migrations for more information and examples.