Error Handling Sql Server 2000 Stored Procedures
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Sql Server 2000 Stored Procedures Can
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is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Exception handling in SQL Server 2000 up vote 0 down vote favorite I https://technet.microsoft.com/en-us/library/aa175920(v=sql.80).aspx have a procedure that gets data from a table and inserts it into a temporary table. Then the procedure validates one by one in a while loop. For example: I have 50 rows and the first row fails. In that case, I wish that the procedure continues processing the remaining 49 rows. I'm forcing an error in an insert statement and and I put under it @@error <> 0 http://stackoverflow.com/questions/19551176/exception-handling-in-sql-server-2000 but does not enter if block. But procedure ends and doesn't continues with the next statement to be executed. I am running the procedure from Query Analyzer and put message with print 'line 1' etc etc. Thank you for your help. This is a similar example create procedure procx as declare @ind_max int, @ind int, @var_id int, @var_name varchar(3) declare @table_x table ( row_id int identity(1,1), id_x int, name_x varchar(25), status_x int ) insert into @table_x values(1, 'xxx', 0) insert into @table_x values(2, 'yyy', 0) insert into @table_x values(3, 'zzz', 0) set @ind_max = 3 set @ind = 1 while (@ind <= @ind_max) begin print 'line 1' select @var_id = id_x , @var_name = name_x from @table_x where row_id = @ind -- Forced error id_x is int field -- Doesn't show line2, line3 ... -- Msg 245, Level 16, State 1, Procedure procx, Line 160 -- Syntax error converting the varchar value 'A' to a column of data type int. insert into test ( id_x , name_x ) values ( 'A' , @var_name ) if @@error != 0 begin print 'line 2' goto next_row insert into log_test values(@var_id, 'Error') end print 'line 3' update @table_x set status_x = 1 where row_id = @ind print 'line 4'
Server Error Handling Workbench 20 February 2007SQL Server Error Handling WorkbenchGrant Fritchey steps into the workbench arena, with an example-fuelled examination of catching and gracefully https://www.simple-talk.com/sql/t-sql-programming/sql-server-error-handling-workbench/ handling errors in SQL 2000 and 2005, including worked examples of the new http://www.sqlteam.com/article/handling-sql-server-errors TRY..CATCH capabilities. 171 28 Grant Fritchey Error handling in SQL Server breaks down into two very distinct situations: you're handling errors because you're in SQL Server 2005 or you're not handling errors because you're in SQL Server 2000. What's worse, not all errors in SQL Server, either version, can be handled. I'll specify error handling where these types of errors come up in each version. The different types of error handling will be addressed in two different sections. ‘ll be using two different databases for the scripts as well, [pubs] for SQL Server 2000 and [AdventureWorks] for SQL Server 2005. I've broken down the scripts and descriptions into sections. Here is a Table of Contents to allow you to quickly move to error handling in the piece of code you're interested in. Each piece of code will lead with the server version on which it is being run. In this way you can find the section and the code you want quickly and easily. As always, the intent is that you load this workbench into Query Analyser or Management Studio and try it out for yourself! The workbench script is available in the downloads at the bottom of the article.
- GENERATING AN ERROR
- SEVERITY AND EXCEPTION TYPE
- TRAP AN ERROR
- USING RAISERROR
- RETURNING ERROR CODES FROM STORED PROCEDURES
- TRANSACTIONS AND ERROR TRAPPING
- EXTENDED 2005 ERROR TRAPPING
SQL Server 2000 - GENERATING AN ERROR 123456789101112 USE pubs GO UPDATE dbo.authors SET zip = '!!!' WHERE au_id = '807-91-6654' /* This will generate an error: Msg 547, Level 16, State 0, Line 1 The UPDATE statement conflicted with the CHECK constraint"CK__authors__zip__7F60ED59". The conflict occurred in database "pubs",table "dbo.authors", column 'zip'. SQL Server 2005 - GENERATING AN ERROR 12345678910111213 USE AdventureWorks; GO UPDATE HumanResources.Employee SET MaritalStatus = 'H' WHERE EmployeeID
| Tags: Stored Procedures, SQL Server 2005, Transactions, SQL Server 2008 Features, Error Handling This article covers the basics of TRY CATCH error handling in T-SQL introduced in SQL Server 2005. It includes the usage of common functions to return information about the error and using the TRY CATCH block in stored procedures and transactions. SQL Server uses the following syntax to capture errors in Transact-SQL statements: BEGIN TRY SELECT [First] = 1 SELECT [Second] = 1/0 SELECT [Third] = 3 END TRY BEGIN CATCH PRINT 'An error occurred' END CATCH This returns the following output: First ----------- 1 (1 row(s) affected) Second ----------- (0 row(s) affected) An error occurred A key difference from SQL Server 2000 is that execution is halted when SQL Server encounters an error. At that point execution transfers to the CATCH block. This error isn't returned to the client application or calling program. The TRY CATCH block consumes the error. Error Functions Inside the CATCH block there are a number of specialized functions to return information about the error. BEGIN TRY SELECT [Second] = 1/0 END TRY BEGIN CATCH SELECT [Error_Line] = ERROR_LINE(), [Error_Number] = ERROR_NUMBER(), [Error_Severity] = ERROR_SEVERITY(), [Error_State] = ERROR_STATE() SELECT [Error_Message] = ERROR_MESSAGE() END CATCH Second ----------- (0 row(s) affected) Error_Line Error_Number Error_Severity Error_State ----------- ------------ -------------- ----------- 2 8134 16 1 (1 row(s) affected) Error_Message --------------------------------------------------- Divide by zero error encountered. (1 row(s) affected) These are the functions you can use inside a CATCH block. These functions all return NULL if they are called from outside a CATCH block. ERROR_NUMBER. The number of the error that occurred. This is similar to @@ERROR except that it will return the same number for the duration of the CATCH block. ERROR_MESSAGE. The complete text of the error message including any substiture parameters such as object names. ERROR_LINE. This is the line number of the batch or stored procedure where the error occured. ERROR_SEVERITY. This is the severity of the error. The CATCH block only fires for errors with severity 11 or higher. Error severities from 11 to 16 are typically user or code errors. Severity levels from 17 to 25 are usually software or hardware errors where processing may not be able to continue. ERROR_STATE. This is sometimes used b