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Celko Visitation Model: Manipulate hierarchic records in a MySQL database

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Last Updated Ratings Unique User Downloads Download Rankings
2006-05-17 (10 years ago) RSS 2.0 feedStarStarStarStar 71%Total: 1,888 All time: 2,025 This week: 1,016Up
Version License Categories
visitation 1.0GNU General Publi...Algorithms, Databases
Description Author

This class can be use to manipulate hierarchic trees of records stored in a MySQL database using Joe Celko visitation model.

It can perform the following tasks in a very effecient way mostly using one SELECT query statement:

- Find out leaf nodes in the current tree (nodes have no children)
- Find out nodes of a sub-tree for given node
- Find out the context path of given node
- Find out the level or depth of a given node
- Find out how many descendants a given node has

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Name: Khaled Al-Shamaa <contact>
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Country: Syria Syria

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  Files folder image Files  
File Role Description
Files folder imagedocs (1 file, 1 directory)
Plain text file visitation.class.php Class Class file
Accessible without login Plain text file example.php Example Example script
Accessible without login Plain text file example.sql Example Example database

  Files folder image Files  /  docs  
File Role Description
Files folder imagemedia (18 files)
  Accessible without login HTML file index.html Doc. Documentation

  Files folder image Files  /  docs  /  media  
File Role Description
  Accessible without login Image file background.png Photo Image
  Accessible without login Image file Diagram1.GIF Photo Image
  Accessible without login Image file empty.png Photo Image
  Accessible without login Image file gnu.png Photo Image
  Accessible without login Image file hierarchical-data-1.png Icon Image
  Accessible without login Image file hierarchical-data-2.png Icon Image
  Accessible without login Image file hierarchical-data-3.png Icon Image
  Accessible without login Image file hierarchical-data-4.png Icon Image
  Accessible without login Image file hierarchical-data-5.png Icon Image
  Accessible without login Image file mhillyer.jpg Icon Image
  Accessible without login Image file mysql.gif Photo Image
  Accessible without login Image file mysql_100x52-64.gif Icon Image
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  Accessible without login Plain text file style.css Doc. CSS
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  Accessible without login Image file w3c_validcssb.png Photo Image
  Accessible without login Image file xhtml10.png Photo Image

Downloadvisitation-2006-05-17.zip 54KB
Downloadvisitation-2006-05-17.tar.gz 43KB
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 Version Control Unique User Downloads Download Rankings  
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Total:1,888
This week:0
All time:2,025
This week:1,016Up
 User Ratings  
 
 All time
Utility:93%StarStarStarStarStar
Consistency:87%StarStarStarStarStar
Documentation:75%StarStarStarStar
Examples:81%StarStarStarStarStar
Tests:-
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Overall:71%StarStarStarStar
Rank:259
  

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