Re: [HACKERS] pg_stat_statements with query tree based normalization

2011-12-10 Thread Peter Geoghegan
On 10 December 2011 13:56, Greg Smith wrote: > I heard about some bitrot creeping in here too, but it seems gone now; I had > no problem merging Peter's development branch against master.  I've attached > a newer patch of the main code, which fixes most of the earlier issues there > were disclaime

Re: [HACKERS] pg_stat_statements with query tree based normalization

2011-12-07 Thread Marti Raudsepp
On Wed, Dec 7, 2011 at 03:19, Peter Geoghegan wrote: > The results are...taking the median value of each set of runs as > representative, my patch appears to run marginally faster than head. > Of course, there is no reason to believe that it should, and I'm > certain that the difference can be exp

Re: [HACKERS] pg_stat_statements with query tree based normalization

2011-12-06 Thread Peter Geoghegan
On 14 November 2011 04:42, Greg Smith wrote: > The approach Peter used adds a single integer to the Const structure in > order to have enough information to substitute "?" in place of those. >  Adding and maintaining that is the only change outside of the extension > made here, and that overhead i