Re: Information about Access methods

On Wed, Nov 13, 2013 at 2:42 AM, Craig Ringer <craig(at)2ndquadrant(dot)com> wrote:

> On 11/13/2013 06:36 AM, Rohit Goyal wrote:
> > Hi,
> > Thanks for document. It was really helpful.
> > Now, as index folder contains basically interface for all index type, do
> > I need to change it, if I want to modify only b tree index algorithm?
> >
> > Do I need to change only btree index files or Do i have to change index
> > folder files like indexam.c
>
> Without knowing what you are trying to do, it's really hard to answer
> that usefully. In general if you want to modify b-tree indexes you'd
> only have to modify the b-tree index implementation. If you want to add
> new capabilities or features to the indexing system in general then use
> them in b-tree, you'd probably also have to modify the access method
> interface.
>
> If you aren't just doing this for learning/research you should explain
> in detail what you are trying to do. There is no point spending lots of
> time creating a patch that would never get accepted into the PostgreSQL
> core, so you have to maintain it forever more...
>

> --
> Craig Ringer http://www.2ndQuadrant.com/
> PostgreSQL Development, 24x7 Support, Training & Services
>
Hi,

Thanks for update. Actually, I am doing it for learning. I want to modify B
tree approach for insert and update operation to perform in a more faster
way.
Could you please suggest something about abt update operation of B tree
index.

Regards,
Rohit Goyal