Postgres documentation is really excellent. http://www.postgresql.org/docs/9.1/static/extend.html should get you started.
On Mon, Mar 30, 2015 at 2:20 PM, Danushka Menikkumbura < danushka.menikkumb...@gmail.com> wrote: > Hi all, > > I am interesting in understanding the extensibility features available in > PostgreSQL. For instance what it takes to define a new operator or a new > index and in particular what goes into the query optimizer in that case. > > Please kindly point me to some useful resources on this. > > Thanks and Regards, > Danushka >
