On Tue, Feb 9, 2010 at 3:26 PM, Josh Berkus <j...@agliodbs.com> wrote: > On 2/9/10 11:50 AM, Greg Stark wrote: >> Secondly, I think it's printing the total buffer usage for that node >> across the whole query -- not the average per iteration. I agree that >> the average is probably more confusing but it's what we do for every >> other stat. Do we want to be consistent? Call out the inconsistency >> somehow, perhaps by tagging it "Total Buffer Usage:" or something like >> that? > > I'd prefer to have the average; it's very confusing to have an explain > row which has the cost per iteration, but the buffer usage per node.
The cost per iteration thing is IMO one of the most confusing parts of the EXPLAIN output; I'm not really eager to see us replicate that elsewhere. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
