IMigrator.MigrateAsync(String, CancellationToken) 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Migrations

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v8.0.0

将数据库迁移到指定的目标迁移，或迁移到 中 IMigrationsAssembly存在的最新迁移。

[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Migration generation currently isn't compatible with trimming")]
[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("Migrations operations are not supported with NativeAOT")]
public System.Threading.Tasks.Task MigrateAsync (string? targetMigration = default, System.Threading.CancellationToken cancellationToken = default);

[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Migration generation currently isn't compatible with trimming")>]
[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("Migrations operations are not supported with NativeAOT")>]
abstract member MigrateAsync : string * System.Threading.CancellationToken -> System.Threading.Tasks.Task

Public Function MigrateAsync (Optional targetMigration As String = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task

参数

targetMigration

String

要将数据库迁移到的目标迁移，或 null 迁移到最新数据库的目标迁移。

cancellationToken

CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

Task

表示异步操作的任务

属性

RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

例外

OperationCanceledException

如果已取消 CancellationToken。

注解

有关详细信息和示例 ，请参阅数据库迁移 。