RelationalLoggerExtensions.TransactionStartedAsync 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

TransactionStarted事件的日志。

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

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

<Extension()>
Public Function TransactionStartedAsync (diagnostics As IDiagnosticsLogger(Of DbLoggerCategory.Database.Transaction), connection As IRelationalConnection, transaction As DbTransaction, transactionId As Guid, startTime As DateTimeOffset, duration As TimeSpan, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of DbTransaction)

参数

diagnostics

IDiagnosticsLogger<DbLoggerCategory.Database.Transaction>

要使用的诊断记录器。

connection

IRelationalConnection

连接。

transaction

DbTransaction

事务。

transactionId

Guid

与 关联的 DbTransaction关联 ID。

startTime

DateTimeOffset

开始操作的时间。

duration

TimeSpan

打开连接之前的时间量。

cancellationToken

CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

ValueTask<DbTransaction>

执行的结果，该结果可能已被侦听器修改。

例外

OperationCanceledException

如果已取消 CancellationToken。