Re: RE: Plans for solving the VACUUM problem

Hannu Krosing <hannu@tm.ee>

From: Hannu Krosing <hannu@tm.ee>
To: "'pgsql-hackers@postgresql.org'" <pgsql-hackers@postgresql.org>
Date: 2001-05-21T14:53:13Z
Lists: pgsql-hackers
"Henshall, Stuart - WCP" wrote:
> 
> Apologises if I've missed something, but isn't that the same xmin that ODBC
> uses for row versioning?
> - Stuart
> 
>         <Snip>
> > Currently, the XMIN/XMAX command counters are used only by the current
> > transaction, and they are useless once the transaction finishes and take
> > up 8 bytes on disk.
>         <Snip>

BTW, is there some place where I could read about exact semantics of
sytem fields ?

--------------------
Hannu