IMigrator.MigrateAsync(String, CancellationToken) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
將資料庫移轉至指定的目標移轉,或最多存在 IMigrationsAssembly 的最新移轉。
public System.Threading.Tasks.Task MigrateAsync (string targetMigration = default, System.Threading.CancellationToken cancellationToken = default);
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")]
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")]
public System.Threading.Tasks.Task MigrateAsync (string? targetMigration = default, System.Threading.CancellationToken cancellationToken = default);
abstract member MigrateAsync : string * System.Threading.CancellationToken -> System.Threading.Tasks.Task
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Migration generation currently isn't compatible with trimming")>]
abstract member MigrateAsync : string * System.Threading.CancellationToken -> System.Threading.Tasks.Task
[<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
參數
- targetMigration
- String
要移轉資料庫的目標移轉,或 null
移轉至最新版本。
- cancellationToken
- CancellationToken
CancellationToken等候工作完成時要觀察的 。
傳回
表示非同步作業的工作
- 屬性
例外狀況
備註
如需詳細資訊和範例 ,請參閱資料庫移轉 。