On Wed, 2006-04-26 at 11:09, Ray Madigan wrote: > I have a table that I created that implements a linked list. I am not an > expert SQL developer and was wondering if there are known ways to traverse > the linked lists. Any information that can point me in the direction to > figure this out would be appreciated. The table contains many linked lists > based upon the head of the list and I need to extract all of the nodes that > make up a list. The lists are simple with a item and a link to the history > item so it goes kind of like: > > 1, 0 > 3, 1 > 7, 3 > 9, 7 > ... > > Any suggestions would be helpful, or I will have to implement the table > differently.
You should be able to do this with a fairly simple self-join... select a.id, b.aid, a.field1, b.field1 from mytable a join mytable b on (a.id=b.aid) Or something like that. ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
