Peter Brawley on the mySQL list pointed me at: http://www.artfulsoftware.com/mysqlbook/sampler/mysqled1ch20.html Which uses mySQL 5's procedures and such. I haven't implemented this yet, but it appears to be what I wanted for the most part. > -----Original Message----- > From: Curt Zirzow [mailto:czirzow@xxxxxxxxx] > Sent: Tuesday, February 21, 2006 10:58 PM > To: php-general@xxxxxxxxxxxxx > Subject: Re: "Nested Set Model" or "modified preorder > tree traversal" > > On Tue, Feb 21, 2006 at 09:38:53PM -0800, Daevid Vincent wrote: > > I've been searching the web for the past few hours trying > to find a simple > > drop-in class or functions to implement "Nested Set Model" > or "modified > > preorder tree traversal". > > I actually fell in love of this method of doing trees when I > discovered it about a year ago, when researching a fast way to do > a parent child retrieval. > > > > > I've found several tutorials and related links: > > > > > http://dev.mysql.com/tech-resources/articles/hierarchical-data.html > > http://www.sitepoint.com/article/hierarchical-data-database > > > > > http://www.zend.com/zend/tut/tutorial-ferrara2.php?article=tut > orial-ferrara2 > > &id=3453&open=1&anc=0&view=1 > > http://simon.incutio.com/archive/2003/06/19/storingTrees > > http://istherelifeafter.com/joecelko.html > > http://www.codeproject.com/cs/database/Trees_in_SQL_databases.asp > > oh i have to add some of these to my list, i didn't have a couple > of them. > > > > > I even found some outdated PEAR DB_NestedSet class from > 2003 that seemed way > > to overly complicated. And some other PHP4_Mysql3MPTTA > class on PHP Classes > > that was equally complicated and written for ancient PHP4 > and mySQL 3!! > > yeah, i kind of got that feeling with the PEAR class as well, i > think it was designed that way to be as flexible as possible. I'm > not familiar with the other class, i tend to avoid anything from > PHP Classes. > > > > > Hasn't anyone else done this before (recently)? > > Did everyone just write their own code every time? > > Anyone have some easy to use code that allows for: > > Add, delete, update/rename, select, show tree, bread crumb > display, etc. > > It would be nice to have a tool to manage the functionality. There > will always be the issue with any common tool that is built for > this purpose is how do you relate the table that defines the nested > with the table that actually holds the data. > > I believe that why the PEAR and other classes you came across > seemed to be overly complicated. I have found that it is easier to > write my own management (as awful as that sounds) for the job at > hand. > > > > > I use PHP 5.0.5 and mySQL 5.0.18, so ideally it would take > advantage of all > > the optimizations and bells & whistles of those more modern > versions. > > 5.0.5? you mentioned that php4 is ancient, 5.0.5 is more ancient > than php4.. infact 5.0.x is rather dead. > > PHP 4.4.2 - Released Jan 13 2006 > php 5.1.2 - Released Jan 12 2006 > PHP 5.0.5 - Released Sept 6 2005 > > I wouldn't expect any more releases of 5.0.x version. > > > Curt. > -- > cat .signature: No such file or directory > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
