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