On Thu, Jul 22, 2010 at 08:43:35PM +0300, Marko Tiikkaja wrote: > Hi, > > From the code I understood that when executing a query "normally", > in READ COMMITTED mode, we take a new snapshot for every query that > comes out of rewrite. But in an EXPLAIN ANALYZE, we only update the > CID of the snapshot taken when the EXPLAIN started. > > Did I misunderstand the code? And if I didn't, why do we do this > differently?
You mentioned in IRC that this was in aid of getting wCTEs going. How are these things connected? Cheers, David. -- David Fetter <da...@fetter.org> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: david.fet...@gmail.com iCal: webcal://www.tripit.com/feed/ical/people/david74/tripit.ics Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
