Re: binary tree

hi Mr Tarique

i use tree only for category. and menu, 

1, id 

2, parent_id,

3 name,

i realy stuck to make binary tree

http://book.cakephp.org/view/1339/Tree said To use the tree behavior, your database table needs 3 fields as listed below (all are ints):

• parent - default fieldname is parent_id, to store the id of the parent object
• left - default fieldname is lft, to store the lft value of the current row.
• right - default fieldname is rght, to store the rght value of the current row.

my question. 

1. how to generate this table look like pine tree? look like this imange  http://petemontgomery.files.wordpress.com/2009/05/binarytree1.jpg?w=333&h=299

2. how to decide leftnode or rightnode?

and. 

3. how to insert data to this tree

On Mon, Jan 31, 2011 at 4:52 PM, Dr. Tarique Sani <tariquesani@gmail.com> wrote:

If you know how to make a tree then make one where every node has just two (or less) child nodes you will end up with a binary tree.....

Cheers
Tarique

On Mon, Jan 31, 2011 at 3:07 PM, fadh <e.fadhli@gmail.com> wrote:

hallo baker

how to create binary tree in cakephp.
i only know how to create tree, not a binary tree.

thanks.

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