Although I said as following, the gain seems a bit larger... I'll recheck the testing conditions...
> > Another point here is that the projection code already special-cases > > simple projections, so it's a bit hard to believe that it's as slow as > > you suggest above. I wonder if your test case is confusing that > > optimization somehow. > > The whole table is on memory and query is very simple and the > number of columns is relatively larger in this case. This is > because I intended to improve retrieving a large part of > partitioned table with many columns. -- Kyotaro Horiguchi NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
