On Fri, 2002-03-15 at 18:23, Tom Lane wrote: > Neil Conway <[EMAIL PROTECTED]> writes: > > AFAIK, current Postgres behavior when processing SELECT queries is like > > this: > > (1) for each tuple in the result set, try to get an > > AccessShareLock on it > > Uh, no. There are no per-tuple locks, other than SELECT FOR UPDATE > which doesn't affect SELECT at all. AccessShareLock is taken on the > entire table, mainly as a means of ensuring the table doesn't disappear > from under us.
Ah, that makes sense. My mistake -- thanks for the info. Cheers, Neil -- Neil Conway <[EMAIL PROTECTED]> PGP Key ID: DB3C29FC ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])