| From: | Neil Conway <neilc(at)samurai(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: equal() perf tweak |
| Date: | 2003-11-04 04:49:24 |
| Message-ID: | 1067921363.13534.9.camel@tokyo |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
On Mon, 2003-11-03 at 18:19, Tom Lane wrote:
> Hard to tell. Since I haven't seen any evidence that equal() on lists
> is a particular hotspot, I'd lean against adding complexity and
> maintenance burden here.
Ok, I agree -- probably not worth doing, then.
> I have already done something much like this in a few hotspots using the
> FastList structure. But notationally, it's a pain in the neck compared
> to the existing List code. If you can think of a way to implement this
> without adding a lot of notational cruft, I'd sure be for it.
Which specific notational capabilities did you have in mind? i.e. is it
just something like 'foreach' loop syntax sugar, or something else in
particular?
-Neil
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Neil Conway | 2003-11-04 05:36:56 | bufmgr code question |
| Previous Message | Jan Wieck | 2003-11-04 04:28:25 | Re: Experimental patch for inter-page delay in VACUUM |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Kris Jurka | 2003-11-04 15:21:00 | alter schema help is not available in psql |
| Previous Message | Tom Lane | 2003-11-03 23:46:12 | Re: bufmgr code cleanup |