Re: CURRENT OF cursor without OIDs

Hiroshi Inoue <Inoue@tpf.co.jp> writes:
> Hmm is there any place setting proc->xmin other than
> the following ?

> [in storage/ipc/sinval.c]
>        if (serializable)
>                MyProc->xmin = snapshot->xmin;

AFAICT that's the only place that sets it.  It's cleared to zero during
transaction commit or abort in xact.c.
        regards, tom lane