| From: | Zoltan Boszormenyi <zb(at)cybertec(dot)at> |
|---|---|
| To: | pgsql-patches <pgsql-patches(at)postgresql(dot)org> |
| Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Hans-Juergen Schoenig <hs(at)cybertec(dot)at> |
| Subject: | Re: 64-bit CommandIds |
| Date: | 2008-03-04 20:52:25 |
| Message-ID: | 47CDB689.80001@cybertec.at |
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| Lists: | pgsql-patches |
Alvaro Herrera írta:
> Zoltan Boszormenyi wrote:
>
>
>> attached is our patch against HEAD which enables extending CommandIds
>> to 64-bit. This is for enabling long transactions that really do that much
>> non-read-only work in one transaction.
>>
>
> I think you should add a pg_control field and corresponding check, to
> avoid a 64bit-Cid postmaster to start on a 32bit-Cid data area and vice
> versa.
>
I added the check but I needed to add it BEFORE checking for
toast_max_chunk_size otherwise it complained about this more
cryptic problem. I think it's cleaner to report this failure to know
why toast_max_chunk_size != TOAST_MAX_CHUNK_SIZE.
Best regards,
Zoltán Böszörményi
--
----------------------------------
Zoltán Böszörményi
Cybertec Schönig & Schönig GmbH
http://www.postgresql.at/
| Attachment | Content-Type | Size |
|---|---|---|
| pg84-64-bit-cmdid-v2.patch | text/x-patch | 17.9 KB |
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