$idy is essentially an alias for the id generated from the result sql statement. I shift it to replace $root so that it becomes the iterator for the id comparisons. I've used it twice for clarity and I think I was having a problem using $id in my script because it's also used as a field in my data. $i is just a reference of ... oops I see that I should have used $i with my while rather than $idy.

I've spent a day familiarizing myself with DBIx::Tree::NestedSet but I can't figure out how to traverse the tree programmatically. It looks like it's not designed to populate the left and right ids!

In reply to Re^2: Hierarchical Tree Traversal by Raad
in thread Hierarchical Tree Traversal by Anonymous Monk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.