On 29 July 2018 at 17:38, Dinesh Kumar <dns98...@gmail.com> wrote: > I found performance variance between accessing int1 and int200 column which > is quite large.
Have a look at slot_deform_tuple and heap_deform_tuple. You'll see that tuples are deformed starting at the first attribute. If you ask for attribute 200 then it must deform 1-199 first. -- David Rowley http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
