Bruce Momjian <[EMAIL PROTECTED]> writes:
>> If we do it, basically the response to anyone who complains about loss
>> of performance should be "fix your function to be marked stable or
>> immutable, as appropriate".
> Agreed. Are we doing this, or is it a TODO?
It's done:
http://archives.postgr
Tom Lane wrote:
> "Jaime Casanova" <[EMAIL PROTECTED]> writes:
> >>> There's been some talk about prohibiting flattening if there are any
> >>> volatile functions in the subselect's targetlist, but nothing's been
> >>> done about that.
>
> > BTW, can you think in a good name for a GUC for this?
>
Based on how small this patch is and the demonstrated desire for this
behavior, can we consider putting this in 8.2, even though we're past
the deadline?
On Sun, Aug 13, 2006 at 10:03:30PM -0500, Jaime Casanova wrote:
> On 8/13/06, Tom Lane <[EMAIL PROTECTED]> wrote:
> >"Jaime Casanova" <[EMAIL PR
On 8/13/06, Tom Lane <[EMAIL PROTECTED]> wrote:
"Jaime Casanova" <[EMAIL PROTECTED]> writes:
>>> There's been some talk about prohibiting flattening if there are any
>>> volatile functions in the subselect's targetlist, but nothing's been
>>> done about that.
> BTW, can you think in a good name
"Jaime Casanova" <[EMAIL PROTECTED]> writes:
>>> There's been some talk about prohibiting flattening if there are any
>>> volatile functions in the subselect's targetlist, but nothing's been
>>> done about that.
> BTW, can you think in a good name for a GUC for this?
I'm not in favor of a GUC for
> There's been some talk about prohibiting flattening if there are any
> volatile functions in the subselect's targetlist, but nothing's been
> done about that. Disabling flattening is a sufficiently big hit to
> the planner's optimization ability that it shouldn't be done lightly.
>
>
On 7/30/06, Tom Lane <[EMAIL PROTECTED]> wrote:
"Sergey E. Koposov" <[EMAIL PROTECTED]> writes:
> I see the very strange behaviour with the following set of queries:
> wsdb=# select na,nb, na::double precision as da, nb::double precision as db
from ( select random()::numeric as na,random()::nu
"Sergey E. Koposov" <[EMAIL PROTECTED]> writes:
> I see the very strange behaviour with the following set of queries:
> wsdb=# select na,nb, na::double precision as da, nb::double precision as db
> from ( select random()::numeric as na,random()::numeric as nb from
> generate_series(1,2)) as xx;
Hello Hackers,
I see the very strange behaviour with the following set of queries:
wsdb=# select na,nb, na::double precision as da, nb::double precision as db
from ( select random()::numeric as na,random()::numeric as nb from
generate_series(1,2)) as xx;
na |nb
