Re: [PHP] Hierarchies and MySQL with PHP

2004-06-28 Thread Mattias Thorslund
Warren Vail wrote: I did one once where the key to the table was a string, and the string contained 1 to n Node Numbers separated by a separator character. 1 1.1 1.1.1 1.2 select data from table where node between (1 and 2) resulted in an entire limb of the tree being retrieved. Limitations were

[PHP] Hierarchies and MySQL with PHP

2004-06-27 Thread Mattias Thorslund
Hi, I wonder what you think are the best (or least worst) strategies to store and retrieve hierarchial data (such as a threaded discussion or a multi-level menu tree) in MySQL using PHP? I have been using table structures where each row contains a parent reference, such as: Table Example:

Re: [PHP] Hierarchies and MySQL with PHP

2004-06-27 Thread Marek Kilimajer
This should be of your interest: http://www.evolt.org/article/Four_ways_to_work_with_hierarchical_data/17/4047/ Mattias Thorslund wrote --- napĂ­sal:: Hi, I wonder what you think are the best (or least worst) strategies to store and retrieve hierarchial data (such as a threaded discussion or a

RE: [PHP] Hierarchies and MySQL with PHP

2004-06-27 Thread Warren Vail
. Not pretty, but it works well for small trees. Warren Vail -Original Message- From: Mattias Thorslund [mailto:[EMAIL PROTECTED] Sent: Sunday, June 27, 2004 9:59 AM To: PHP General Mail List Subject: [PHP] Hierarchies and MySQL with PHP Hi, I wonder what you think are the best (or least worst

Re: [PHP] Hierarchies and MySQL with PHP

2004-06-27 Thread Mattias Thorslund
Marek Kilimajer wrote: This should be of your interest: http://www.evolt.org/article/Four_ways_to_work_with_hierarchical_data/17/4047/ Indeed! The flat table model is simple, efficient and - I think - sufficient. Thanks! I also found this article which explains the fourth method not really