On Mon, 2009-10-19 at 15:09 -0400, Brad Nicholson wrote: > On Mon, 2009-10-19 at 15:01 -0400, Tom Lane wrote: > > Brad Nicholson <bnich...@ca.afilias.info> writes: > > > autoanalyze will automatically analyze new tables when they don't have > > > stats. It seems logical that it should handle this case where the table > > > also does not have stats. > > > > It will autoanalyze once a sufficient number of inserts have occurred. > > The effect of a crash is just to reset the inserts-since-last-analyze > > counters. You really haven't made the case why that's so awful that > > we need to do things that are unpleasant along other dimensions in order > > to avoid it. (The only ways of avoiding it that I can see would result > > in very significant overhead added to the stats collection mechanism.) > > What about the question that Scott and I both asked - what about query > plans. Will they be affected? > > If so, you could have a table that does not get updated, that no longer > generates relevant query plans, and won't until manual intervention. >
Actually, isn't there also a condition (although unlikely to occur) here that could result in transaction wraparound? -- Brad Nicholson 416-673-4106 Database Administrator, Afilias Canada Corp. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
