On Mon, Apr 09, 2007 at 06:43:08PM -0400, Tom Lane wrote:
> Gregory Stark <[EMAIL PROTECTED]> writes:
> > Here's an updated patch that fixes the bug I had. This is now functional 
> > basic
> > non-recursive WITH clause support.
> >  http://community.enterprisedb.com/recursive/with-pg82stable-v2.patch.gz
> > It's a pretty short simple patch as is; it just directly inlines any WITH
> > clauses as if they had been written as subqueries.
> So this does not really add any new functionality, it's just variant
> syntax for something you can do about as easily without it, right?

Not totally as easily.  For example, you can do some kinds of
aggregation with a few fewer keystrokes.

> The downside that I see is is that it changes WITH and SET into fully
> reserved words, which no doubt will break a few people's applications.


> While we're probably going to have to do that eventually, I'd like
> to be able to point to some non-negligible benefit resulting from
> the change when we do it.
> So my inclination is to not apply this in its current form, but to
> wait for the full recursive-WITH feature before taking the
> compatibility hit.

Is there some way to poll people for uses of WITH and SET in places
they shouldn't be?

David Fetter <[EMAIL PROTECTED]> http://fetter.org/
phone: +1 415 235 3778        AIM: dfetter666
                              Skype: davidfetter

Remember to vote!
Consider donating to PostgreSQL: http://www.postgresql.org/about/donate

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not

Reply via email to