Tom Lane wrote:
> "Pavan Deolasee" <[EMAIL PROTECTED]> writes:
> Good point.  I'm envisioning a procarray.c function along the
> lines of
>     bool TransactionHasSnapshot(xid)
> which returns true if the xid is currently listed in PGPROC
> and has a nonzero xmin.  CIC's cleanup wait loop would check
> this and ignore the xid if it returns false.  Your point means
> that this function would have to take exclusive not shared lock
> while scanning the procarray, which is kind of annoying, but
> it seems not fatal since CIC isn't done all that frequently.


If you haven't finished this yet, would you like me to work
on this ? If I do it, I would mostly follow the path you
suggested above, unless I run into something else.




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