Re: Well, we seem to be proof against cache-inval problems now

Bruce Momjian <pgman@candle.pha.pa.us> writes:
>> Bruce Momjian <pgman@candle.pha.pa.us> writes:
>>>> Can this now be marked as done?
>>>> * Modification  of  pg_class  can  happen while table in use by  another
>>>> backend.  Might  lead  to  MVCC  inside  of  syscache
>> 
>> I'm not sure.  Do you have any record of what the concern was, in
>> detail?  I don't understand what the TODO item is trying to say.

> I assumed it was the problem of table lookups with no locking.  No idea
> what the MVCC mention is about.

I checked the CVS archives and found that you added that TODO item on
4-Feb-2000.  I could not, however, find any relevant discussion in the
pghackers archives in the first few days of February.  Do you have
anything archived that might help narrow it down?
        regards, tom lane