On Fri, Dec 03, 2021 at 03:13:24PM -0500, Tom Lane wrote:
> Andrew Dunstan writes:
> > On 12/3/21 14:42, Tom Lane wrote:
> >> Right, I envisioned that ASCII behaves the same but we'd use
> >> a numeric representation for high-bit-set values. These
> >> cases could be told apart fairly easily by
> >
> > Most of the time when I see that happen it's down to either the
> > selectivity of some correlated base-quals being multiplied down to a
> > number low enough that we clamp the estimate to be 1 row. The other
> > case is similar, but with join quals.
>
> If an estimate is lower than 1,
On Tue, Jan 26, 2021 at 01:06:29PM +0900, Michael Paquier wrote:
> On Mon, Jan 25, 2021 at 10:42:25PM -0500, Sehrope Sarkuni wrote:
> > +1 to adding a SHA1 SQL function. Even if it's deprecated, there's plenty
> > of historical usage that I can see it being useful.
>
> Let's wait for more
On Tue, Dec 22, 2020 at 07:15:23PM +0100, Tomas Vondra wrote:
>
>
> On 12/22/20 6:56 PM, Robert Haas wrote:
> >On Tue, Dec 22, 2020 at 6:24 AM Daniil Zakhlystov
> > wrote:
> >>When using bidirectional compression, Postgres resource usage correlates
> >>with the selected compression level. For
On Mon, Jun 08, 2020 at 02:58:03PM -0400, Robert Haas wrote:
> On Mon, Jun 8, 2020 at 1:16 PM Alvaro Herrera
> wrote:
> > I think it's reasonable to push our default limits for slots,
> > walsenders, max_bgworkers etc a lot higher than current value (say 10 ->
> > 100). An unused slot wastes
>
> I won't lose a lot of sleep if we decide to rip out '!' as well, but I
> don't think that continuing to support it would cost us much.
>
+1 for keeping ! and nuking the rest, if possible.
Regards,
Ken
On Tue, Jan 15, 2019 at 01:32:36PM -0500, Tom Lane wrote:
> ...
> > FYI, Oracle provides one parameter, shared_pool_size, that determine the
> > size of a memory area that contains SQL plans and various dictionary
> > objects. Oracle decides how to divide the area among constituents. So
> > it
