Marc Mamin <M.Mamin@intershop.de> wrote:
> WITH RECURSIVE struc (pref, id, depth ) AS (
> SELECT '', node, 1 from forest where node= 4
> UNION ALL
> SELECT (case when struc.pref= '' then '\' else struc.pref end )||
> '...' ,
> node,
> struc.depth +1
> FROM forest JOIN struc ON parent=struc.id
> )
> SELECT * FROM struc;
>
> (path,node,depth)
> 4 1
> \... 5 2
> \...... 6 3
>
> This is fine as long as I start with a given node (here node= 4).
>
> But How can I retrieve the complete structure in one query ?
Start with parent is null in the first query (instead of 'where
node=4').
*untested*
Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°