Greg Stark <st...@mit.edu> writes: > However then I started thinking about this case and wondered if it > wouldn't be possible to optimize. One of the suggested optimizations > was to look at using TRUNCATE. But I wonder why it's necessary to use > a dedicated command. Shouldn't it be possible for the system to notice > this situation and do effectively the same thing itself?
Not unless you'd like DELETE to always acquire exclusive lock... > There are a couple problems with the way I've described this idea > here. Precisely because of the lack of lock. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers