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Class: Joe Celko Nested Sets

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  Classes of Setec Astronomy  >  Joe Celko Nested Sets  >  Download .tar.gz .zip  >  Support forum Support forum  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: Joe Celko Nested Sets
Support forum Support forum
Base name: celkonestedset
Description: Manage tree database structure with Celko approach
Related classes: , , , , , , ,
Version: -
PHP version: -
License: GNU General Public License (GPL)
All time users: 3143 users
All time rank: 922
Week users: 4 users
Week rank: 1006
Picture of Setec Astronomy
Author: Setec Astronomy <e-mail contact>
Packages: 20 Browse this author's classes Browse this author's classes
Country: Italy Italy - PHP jobs in Italy
Age: ???
All time rank: 141 in Italy Italy
Week rank: 81 Down4 Down in Italy Italy
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  Detailed description  
This class is meant to manage tree database structure using Jeo Celko's nested sets approach.

You can add node with 7 queries, delete a node with subnodes with 4 queries and move node with 11 queries.

The number of queries per action does not depend on the number of sub-nodes, so it is a scalable solution.

 

  Groups  
Group folder image Algorithms Numerical and statistical algorithms View top rated classes
Group folder image Databases Database management, accessing and searching View top rated classes
Group folder image Data types Modeling and manipulating data types View top rated classes

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All time:
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Sufficient (67.9%)
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  Trackback links  
Link Description
Help! My Hierarchy is Slow - Faster Hierarchies with Nested Sets A great many applications, including many that I’ve worked on, have a hierarchy of things: of parts, of people, of organizations, etc...
Nested Sets Once again faced with a situation where this simple algorithm is vital and again confronted with the fact that on the Internet nothing is working under PHP...
Nested Sets Once again faced with a situation when the algorithm is simply vital and again confronted with the fact that the proposed network is nothing working under PHP..
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  Applications that use this class  
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  Files folder image Files  
File Role Description
Accessible without login Plain text file ccelko.php Class CCelkoNastedSet class file
Accessible without login Plain text file sample.php Example Sample file for CCelkoNastedSet class

Download all files: celkonestedset.tar.gz celkonestedset.zip
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