On 2014-11-07 17:54:32 +0100, Petr Jelinek wrote: > On 06/11/14 08:50, Andres Freund wrote: > >On 2014-11-05 19:31:52 -0500, Steve Singer wrote: > >>It also doesn't allow you to load two extensions at once on a system. > >>You wouldn't be able to have both the 'steve_commit_order' extension > >>and BDR installed at the same time. I don't think this patch does a > >>very good job at (B) but It wasn't intended to. > > > >Well, I don't agree that steve_commit_order makes much sense in this > >context. But there actually is a real problem here, namely that there's > >no namespacing in those bytes. I'd be ok with saying that we split the > >extradata in for bytes for the namespace and four for the actual > >data. That's roughly how it works for advisory locks already. > > > > I am not sure how would this solve problem of 2 extensions using the > extradata given that there can be only 1 record per txid anyway.
It'd help you to detect problems. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
