IRelationalCommandDiagnosticsLogger.CommandErrorAsync 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:

IRelationalCommandDiagnosticsLogger.cs

CommandError事件的日志。

public System.Threading.Tasks.Task CommandErrorAsync (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Data.Common.DbCommand command, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Diagnostics.DbCommandMethod executeMethod, Guid commandId, Guid connectionId, Exception exception, DateTimeOffset startTime, TimeSpan duration, Microsoft.EntityFrameworkCore.Diagnostics.CommandSource commandSource, System.Threading.CancellationToken cancellationToken = default);

abstract member CommandErrorAsync : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Data.Common.DbCommand * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.DbCommandMethod * Guid * Guid * Exception * DateTimeOffset * TimeSpan * Microsoft.EntityFrameworkCore.Diagnostics.CommandSource * System.Threading.CancellationToken -> System.Threading.Tasks.Task

Public Function CommandErrorAsync (connection As IRelationalConnection, command As DbCommand, context As DbContext, executeMethod As DbCommandMethod, commandId As Guid, connectionId As Guid, exception As Exception, startTime As DateTimeOffset, duration As TimeSpan, commandSource As CommandSource, Optional cancellationToken As CancellationToken = Nothing) As Task

参数

connection

IRelationalConnection

连接。

command

DbCommand

数据库命令对象。

context

DbContext

当前 DbContext 正在使用的 ，如果未知，则为 null。

executeMethod

DbCommandMethod

表示将调用以执行命令的方法。

commandId

Guid

与给定 DbCommand关联的关联 ID。

connectionId

Guid

与正在使用的 DbConnection 关联的关联 ID。

exception

Exception

导致此失败的异常。

startTime

DateTimeOffset

执行开始的时间。

duration

TimeSpan

引发异常之前所经过的时间量。

commandSource

CommandSource

命令的源。

cancellationToken

CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

Task

表示 Task 异步操作的 。

例外

OperationCanceledException

如果已取消 CancellationToken。