On 11/12/2013 03:26 AM, Rohit Goyal wrote:
> Hi, 
> Actually, 
> I want to test an algorithm in which I will use store tuple_id in some
> other data structure and value of the key of index will contain some
> random created by me. Could you please tel me which file need to be
> change for it.
> you said something about usage of GiST opclass. Can you please elaborate
> ur opinion in detail. It would be of a great help to me.

I think you really need to take a few steps back and explain *why* you
feel you want to modify the b-tree values.

Are you attempting to implement a covering index or index-organized table?

"some random created by me" tells us around about nothing about what
you're trying to do.

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

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