IRelationalCommandDiagnosticsLogger.CommandScalarExecutingAsync 方法
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
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。
- 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。