Re: NOLOGGING option, or ?

Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> Not unless you are proposing to change COPY to acquire a lock strong
>> enough to lock out other writers to the table for the duration ...

> Well, if the table is initally empty, what harm is there in locking the
> table?

You cannot *know* whether it is empty unless you lock the table before
you look.  So your argument is circular.

I think this only makes sense as an explicit option to COPY, one of the
effects of which would be to take a stronger lock than COPY normally does.
        regards, tom lane