If you need to pass an application-specific message back to your users when an error occurs, you should call the RAISE_APPLICATION_ERROR built-in procedure. This procedure accepts an integer (your error code), whose value must be between -20,999 and -20,000, and a string (your error me...
In the following example, the DECLARE section contains the definitions of three named exceptions. The body of the block is a call to procedureMyApp.Main. The EXCEPTION section contains handlers for the three exceptions: exception1is not associated with an sqlcode or sqlstate . exception2is assoc...
在SQL Server中我们通过BEGIN TRY/END TRY和BEGIN CATCH/END CATCH这样的结构来进行Exception Handling。 通过TRY CATCH,上面的Stored procedure可以改成下面的样子: CREATEProcedureP_USERS_IN_ROLES_I ( @user_nameNVARCHAR(256), @role_nameNVARCHAR(256) ) AS DECLARE@user_idVARCHAR(50) DECLARE@role_idVARCHA...
The MSSQL server supports multiple result sets as output of a stored procedure. However, if an exception occurs on the SQL side after the first result set is generated, no exceptions are generated on the client side in the pymssql code. To Reproduce Create the following stored procedure on M...
其实我们完全可以通过其它的方式是我们的SQL看出来更加优雅一点。那就是使用我们很熟悉的TRY CATCH。在SQL Server中我们通过BEGIN TRY/END TRY和BEGIN CATCH/END CATCH这样的结构来进行Exception Handling。 通过TRY CATCH,上面的Stored procedure可以改成下面的样子:...
对于所有的开发人员来说,Exception Handling是我们每天都要面对的事情。对于基于Source Code的Exception Handling,我想大家已经司空见惯了,但是对于Database级别的Exception Handling,就没有那么常见了。在这篇文章中,我将会介绍我对于基于Database编程中Exception Handling的一些粗浅的认识:在编写Stored Procedure时,如何抛出一...
对于所有的开发人员来说,Exception Handling是我们每天都要面对的事情。对于基于Source Code的Exception Handling,我想大家已经司空见惯了,但是对于Database级别的Exception Handling,就没有那么常见了。在这篇文章中,我将会介绍我对于基于Database编程中Exception Handling的一些粗浅的认识:在编写Stored Procedure时,如何抛出一...
Now that you have an understanding of the nature of errors and basic error handling in T-SQL, it's time to look at a more advanced form of error handling. Structured exception handling was introduced in SQL Server 2005.Here, you'll see how to use it and evaluate its benefits...
The concept and practice of exception handling in SQL Server is not novel instead statements such as RAISERROR and the TRY/CATCH block has been influential in re-throwing exceptions back to calling applications such as SQL Server Integration Services. The introduction of the THROW statement in SQL...
在SQL Server中我们通过BEGIN TRY/END TRY和BEGIN CATCH/END CATCH这样的结构来进行Exception Handling。 通过TRY CATCH,上面的Stored procedure可以改成下面的样子: CREATE Procedure P_USERS_IN_ROLES_I ( @user_name NVARCHAR(256), @role_name NVARCHAR(256) ) AS DECLARE @user_id VARCHAR(50) DECLARE @...