IRelationalCommandDiagnosticsLogger.CommandScalarExecutingAsync 方法

定义

CommandExecuting事件的日志。

public System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<object>> CommandScalarExecutingAsync (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Data.Common.DbCommand command, Microsoft.EntityFrameworkCore.DbContext? context, Guid commandId, Guid connectionId, DateTimeOffset startTime, Microsoft.EntityFrameworkCore.Diagnostics.CommandSource commandSource, System.Threading.CancellationToken cancellationToken = default);
abstract member CommandScalarExecutingAsync : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Data.Common.DbCommand * Microsoft.EntityFrameworkCore.DbContext * Guid * Guid * DateTimeOffset * Microsoft.EntityFrameworkCore.Diagnostics.CommandSource * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.Diagnostics.InterceptionResult<obj>>
Public Function CommandScalarExecutingAsync (connection As IRelationalConnection, command As DbCommand, context As DbContext, commandId As Guid, connectionId As Guid, startTime As DateTimeOffset, commandSource As CommandSource, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of InterceptionResult(Of Object))

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。

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。

startTime
DateTimeOffset

执行开始的时间。

commandSource
CommandSource

命令的源。

cancellationToken
CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

截获的结果。

例外

适用于