Mysql Error Handling In Script
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to abort execution of MySQL scripts (raising error perhaps)? up vote 13 down vote favorite 2 I need to write setup scripts for MySQL (usually run using 'source [file]' from mysql console) that depend partly on existing data, and there are differences in environments, meaning that sometimes script does fail. A common case is that a 'SET' statement with a select (to locate mysql exit handler an id) fails to find anything; console sets value to NULL. In this case I would like the script to fail; I have heard this would be done by raising an error (with other DBs). However it appears like MySQL didn't have a way to do this. Are there good ways to force failure under such conditions? As things are now updates will fail when insert tries to use null, but even that does not terminate script itself. Ideally it would just fail and terminate as soon as a problem is encountered. sql mysql exception fast-fail share|improve this question asked Apr 21 '09 at 18:15 StaxMan 58.9k17128171 1 Seem to be duplicate: stackoverflow.com/questions/465727/… –Max Gontar Apr 23 '09 at 20:34 Hmmh. It is related but I'm not sure it's a dup, since I am running sql from mysql console, and don't have stored procedures. But maybe I misundertand diffs here (is console just basically running things same way as stored procs would execute?). Thank you for the link at any rate. –StaxMan Apr 24 '09 at 18:17 1 New options may be available come
Community MySQL.com Downloads Documentation Section Menu: Articles White Papers Case Studies Interviews About the author Dr. Ernest Bonat, Ph.D. founded Visual WWW in 2000. Visual WWW is committed to providing high-quality software exception in mysql stored procedure business applications and establishing long-term relationships with our clients. We specialize in the mysql exception handling java design, development, test and implementation of database business applications using Microsoft / Oracle / IBM DB2 / Open Source mysql abort-source-on-error (LAMP) technologies, including PC-based, Client/Server and Internet web applications. Ernest is a pioneer in Visual Basic windows development and has been using it since version 1.0 for DOS in 1990. Ernest has more http://stackoverflow.com/questions/773889/way-to-abort-execution-of-mysql-scripts-raising-error-perhaps than 20 years experience in computer software development, mathematical modeling and simulation of electronic and microelectronic devices, and manufacturing technological processes, starting from Fortran IV and Basic in 1980, and until today with Microsoft .NET technology. Sometimes he's awake at 4:00 a.m. on Saturday and Sunday mornings working on Visual Basic .NET programming optimization solutions and best practices for his clients and friends. Exception Error http://dev.mysql.com/tech-resources/articles/ebonat-exception-error-handling-implementation-in-vbnet-apps.html Handling Implementation in MySQL/VB.NET Windows Database Applications By Ernest Bonat, Ph.D.Visual WWW, Inc. Introduction Required Software Why is Exception Error Handling Required? Structured Exception Error Handling Using Statement Writing Exception Errors to a Log File MySQL Data Load with Exception Error Log File MySQL Data Insert with Exception Error Log File MySQL Data Update with Exception Error Log File MySQL Data Delete with Exception Error Log File Conclusions Introduction Error handling implementation in Windows database applications is a must for any Application Developer today. The main idea of error handling is to avoid application crashes by finding out the occurred errors and fixing them. Different programming languages have different ways of implementing error handling. Microsoft Visual Basic .NET (VB.NET) is the most common programming language for developing windows database applications today. VB.NET codes are provided in many websites, books and materials without error handling implementation. In this article I would like to introduce you to the basics of error handling implementation in MySQL/VB.NET windows database applications. I’ll be covering structured exception error handling, which was introduced for the first time in VB.NET 2002. I will also go over the latest technologies of di
lag control, Amazon RDS and more MySQL vs. PostgreSQL, gh-ost perspective Introducing gh-ost: triggerless online schema migrations Solving the non-atomic table swap, Take III: making it atomic http://code.openark.org/blog/mysql/mysql-error-handling-on-server-side-a-no-go Similar Posts Post-Plugin Library missing Archives September 2016 August 2016 July 2016 June 2016 May 2016 April 2016 February 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 April http://www.w3schools.com/php/php_error.asp 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August 2014 July 2014 June 2014 May 2014 April 2014 March 2014 February 2014 January 2014 December 2013 November stored procedure 2013 October 2013 September 2013 August 2013 July 2013 June 2013 May 2013 April 2013 March 2013 February 2013 January 2013 December 2012 November 2012 October 2012 September 2012 August 2012 July 2012 June 2012 May 2012 April 2012 March 2012 February 2012 January 2012 December 2011 November 2011 October 2011 September 2011 August 2011 July 2011 June 2011 May 2011 April 2011 March 2011 February 2011 January 2011 December mysql error handling 2010 November 2010 October 2010 September 2010 August 2010 July 2010 June 2010 May 2010 April 2010 March 2010 February 2010 January 2010 December 2009 November 2009 October 2009 September 2009 August 2009 July 2009 June 2009 May 2009 April 2009 March 2009 February 2009 January 2009 December 2008 November 2008 October 2008 June 2008 Blogroll common_schema Copyright, Privacy & Terms of Use MySQL Monitoring openark forge openark-kit Planet MySQL Categories Development (RSS) (12) General (RSS) (1) Linux (RSS) (3) MySQL (RSS) (373) OpenOffice (RSS) (1) Meta RSS 2.0 Feed Atom Feed Comments RSS Feed Log in Valid XHTML Tag Cloud Analysis Backup common_schema community Configuration Data Types Development Execution plan Graphs Hack Humor Indexing INFORMATION_SCHEMA InnoDB Installation Linux Monitoring mycheckpoint MyISAM mysqlconf mysqldump New Features openark kit Open Source Opinions orchestrator PerconaLive Performance Planet Pseudo GTID python QueryScript Replication Schema scripts secondary Security Speaking SQL sql_mode Stored routines Syntax TokuDB tools Triggers MySQL error handling on server side: a NO GO! July 18, 2012 There is no reasonable way to catch and diagnose errors on server side. It is nearly impossible to know exactly what went wrong. To illustrate, consider the following query: INSERT INTO my_table (my_column) VALUES (300); What could go wrong with this
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