strictlyPHP » pdo http://www.strictlyphp.com/blog web development & web analytics Tue, 08 Mar 2011 10:47:29 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 MySQL stored procedures with PDO on Windows http://www.strictlyphp.com/blog/2008/10/27/mysql-stored-procedures-pdo-windows/ http://www.strictlyphp.com/blog/2008/10/27/mysql-stored-procedures-pdo-windows/#comments Mon, 27 Oct 2008 16:00:48 +0000 Sam http://www.strictlyphp.com/blog/?p=276 I have mixed feelings when it comes to stored procedures. On one side, they pull away a part of your applications logic which decreases maintainability. While on the other side they tend to perform better and are easily accessible (for instance, by a DBA).

Anyway, there are certainly situations were I use them and while doing so on MySQL I bumped into this bug report (and this related one). One stored procedure call did not produce any errors but when I added a second, PDO threw “General error: 2014 Cannot execute queries while other unbuffered queries are active.”.

Apparently using PDO to call multiple MySQL stored procedures on a Windows environment (e.g. your development WampServer) causes a few errors (different ones depending on the amount of calls if I’m correct). After 2 years it should have been fixed mid September ’08 so hopefully the next PHP release will correct this.

In case you ever wondered: this seems to be a reason why the popular e-commerce solution Magento currently requires a linux server.

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