You can read my Internals paper at the bottom of developers corner.
[ Charset ISO-8859-15 unsupported, converting... ]
> "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
>
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-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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