On 8 March 2018 at 18:40, Andrew Dunstan <andrew.duns...@2ndquadrant.com> wrote: > select * from t; > fastdef tps = 107.145811 > master tps = 150.207957 > > "select * from t" used to be about a wash, but with this patch it's > got worse. The last two queries were worse and are now better, so > that's a win.
How does it compare to master if you drop a column out the table? Physical tlists will be disabled in that case too. I imagine the performance of master will drop much lower than the all columns missing case. -- David Rowley http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services