| From: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: A little COPY speedup |
| Date: | 2007-03-01 22:19:46 |
| Message-ID: | 45E75182.8040502@enterprisedb.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-patches |
Heikki Linnakangas wrote:
> Tom Lane wrote:
>> I'm not sure whether I like your flag approach better than the
>> last-used-offset one. The previous patch probably buys some teeny
>> amount more performance, but the flag seems more robust (noting in
>> passing that neither patch attempts to WAL-log its changes, so we really
>> need to treat the values as hints). And a change as sketched here would
>> leave us 15 free bits for future expansion, which might be nice.
>
> I'll post a patch along those lines.
Here it is.
I'm not fond of the macro names for the flag, but couldn't think of
anything shorter yet descriptive.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| nofreelinepointers-2.patch | text/x-patch | 9.4 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2007-03-01 22:35:41 | Re: A little COPY speedup |
| Previous Message | Joey Wang | 2007-03-01 21:48:34 | BUG #3095: LDAP authentication parsing incorrectly |