On 11/12/2013 07:00 PM, Rohit Goyal wrote:
>
> Inside access methods in Backend, I found "Index" folder and "Btree"
> folder but i don't know which code to look for. i want to change
> something in B tree implementation.
>
Start here:
http://www.postgresql.org/docs/current/static/indexam.html
-- Craig Ringer http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services