I\'m using the awesome_nested_set rails 3 fork here: https://github.com/FreakyDazio/awesome_nested_set
I have the following code : $treeObject = Doctrine_Core::getTable(\'Category\')->getTree(); $rootColumnName = $treeObject->getAttribute(\'rootColumnName\');
I\'m currently using the gem \'nested_set\' for comment threading. What I want to do is prevent the comment level from going more than 2 levels deep. What I tired doing was something like this:
Can a nested set have duplicate child objects or multiple parent_id/root/nodes? For instance, I want to create an开发者_JAVA百科 application that can manage parts and equipment.However, a specific eq
Rails version 3.0.3, I am new to rails, but been in webdev for a long time. I am using awesome nested set.
Given a tree like this: A----B---------C----D E----FG H I need to find C and E (the two deepest nodes of each unique branch; A-C and A-E)
I have a table which contains a location of all geographical locations in the world and their relationships.
I\'ve spent the last few hours trying to find the solution to this question online.I\'ve found plenty of examples on how to convert from nested set to adjacency... but few that go the other way around
I\'ve been trying to find an efficient way to represent nested data i开发者_如何学Gon java/hibernate.My initial solution was a parent/child list with a self referencing join, but there are obvious pit
I\'m having some troubles understanding what indices to use on a Nested-Set model. The query is: SELECT `node`.`id`,(COUNT(parent.id) - 1) AS `depth`,`name` FROM `categories` AS `parent`