Re: 64-bit CommandIds - Mailing list pgsql-patches

From Bruce Momjian
Subject Re: 64-bit CommandIds
Date
Msg-id 200804241744.m3OHiR824199@momjian.us
Whole thread Raw
In response to Re: 64-bit CommandIds  (Zoltan Boszormenyi <zb@cybertec.at>)
Responses Re: 64-bit CommandIds
List pgsql-patches
So, is this an option we want for configure?

---------------------------------------------------------------------------

Zoltan Boszormenyi wrote:
> Alvaro Herrera ?rta:
> > 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,
> Zolt?n B?sz?rm?nyi
>
> --
> ----------------------------------
> Zolt?n B?sz?rm?nyi
> Cybertec Sch?nig & Sch?nig GmbH
> http://www.postgresql.at/
>


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  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
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