Thanks for your answers guys. I've got a cold right now and my brain
is mush, so I can't comment intelligently on your suggestions just
yet. I just wanted to express my thanks for your time.
Jeff, one book you might want to look at is Joe Celko's Trees and
Hierarchies in SQL for Smarties.
http://
On Thu, 2007-09-27 at 23:58 +0100, Gregory Stark wrote:
> It keeps the same information in more than one place. Consider:
>
> 1
> 1.1
> 1.1.1
>
> Note that all three records contain the root's id of "1". If you want to
> reparent 1.1 to be 2.1 you have to know that all its children also need to b
"Jeff Davis" <[EMAIL PROTECTED]> writes:
> On Wed, 2007-09-26 at 16:54 +0100, Gregory Stark wrote:
>
>> You could check out the tablefunc contrib which includes a function called
>> connectby() which implements a kind of recursive query.
>>
>> Alternatively you might look at the ltree contrib mo
On Wed, 2007-09-26 at 16:54 +0100, Gregory Stark wrote:
> "paul.dorman" <[EMAIL PROTECTED]> writes:
>
> > Hi everyone,
> >
> > I would like to know the best way to implement a DAG in PostgreSQL. I
> > understand there has been some talk of recursive queries, and I'm
> > wondering if there has been
take a look on contrib/ltree
On Wed, 26 Sep 2007, paul.dorman wrote:
Hi everyone,
I would like to know the best way to implement a DAG in PostgreSQL. I
understand there has been some talk of recursive queries, and I'm
wondering if there has been much progress on this.
Are there any complete e
"paul.dorman" <[EMAIL PROTECTED]> writes:
> Hi everyone,
>
> I would like to know the best way to implement a DAG in PostgreSQL. I
> understand there has been some talk of recursive queries, and I'm
> wondering if there has been much progress on this.
The ANSI recursive queries didn't make it in