On Thu, 2013-07-11 at 10:28 +0200, Andres Freund wrote: > There doesn't seem be an explicitly stated rule that we cannot use the > syscaches outside of a transaction - but effectively that's required > atm.
Aren't there other things that already required that before the MVCC catalog snapshot patch went in? For instance, if you get a syscache miss, you have to load from the catalogs, meaning you need to acquire a lock. I've seen problems related to that in the past: http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=ac63dca607e8e22247defbc8fe03b6baa3628c42 Regards, Jeff Davis -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
