RelationalLoggerExtensions.TransactionStartingAsync 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Diagnostics

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v9.0.0

Source:

RelationalLoggerExtensions.cs

TransactionStarting事件的日志。

public static System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction>> TransactionStartingAsync (this Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Transaction> diagnostics, Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Data.IsolationLevel isolationLevel, Guid transactionId, DateTimeOffset startTime, System.Threading.CancellationToken cancellationToken = default);

static member TransactionStartingAsync : Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Transaction> * Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Data.IsolationLevel * Guid * DateTimeOffset * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<System.Data.Common.DbTransaction>>

<Extension()>
Public Function TransactionStartingAsync (diagnostics As IDiagnosticsLogger(Of DbLoggerCategory.Database.Transaction), connection As IRelationalConnection, isolationLevel As IsolationLevel, transactionId As Guid, startTime As DateTimeOffset, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of InterceptionResult(Of DbTransaction))

参数

diagnostics

IDiagnosticsLogger<DbLoggerCategory.Database.Transaction>

要使用的诊断记录器。

connection

IRelationalConnection

连接。

isolationLevel

IsolationLevel

事务隔离级别。

transactionId

Guid

与 关联的 DbTransaction关联 ID。

startTime

DateTimeOffset

开始操作的时间。

cancellationToken

CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

ValueTask<InterceptionResult<DbTransaction>>

执行的结果，可能已被侦听器修改。

例外

OperationCanceledException

如果已取消 CancellationToken。