升級到實體框架6後,我們實現了我們自己的DbExecutionStrategy。除了現有的SqlAzureExecutionStrategy我們的策略還記錄異常。 原來,每15-30分鐘實體框架拋出內部SqlException System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'CreatedOn'.
這是一個內部錯誤。似乎EF在某些表上存在CreatedOn列時會進行一些常規檢查。有沒有優雅的方式來防止這種異常被拋出?實體框架中CreatedOn列6
下面是一個調用堆棧:
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, ref Boolean dataReady)
at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
at System.Data.SqlClient.SqlDataReader.get_MetaData()
at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, ref Task task, Boolean asyncWrite, SqlDataReader ds)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, ref Task task, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
at System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch(Func`1 operation, TInterceptionContext interceptionContext, Action`1 executing, Action`1 executed)
at System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher.Reader(DbCommand command, DbCommandInterceptionContext interceptionContext)
at System.Data.Entity.Core.EntityClient.Internal.EntityCommandDefinition.ExecuteStoreCommands(EntityCommand entityCommand, CommandBehavior behavior)
我也收到這個錯誤。 –
[Entity Framework 4.3。無效的列名'CreatedOn'](http://stackoverflow.com/questions/12193465/entity-framework-4-3-invalid-column-name-createdon) – AXMIM
「_...檢查是否存在CreatedOn列** some ** table._「您可以使用SQL Server Management Studio中的SQL分析器查找SQL EF發送到您的服務器的內容。在我的例子中,我看到'SELECT TOP(1)[c]。[CreatedOn] AS [CreatedOn] FROM [dbo]。[__ MigrationHistory] AS [c]',它清楚地表明它與EF有關版本不匹配。 –