Re: Fwd: Test of Algorithm || Indexing Scheme

From: Rohit Goyal <rhtgyl(dot)87(at)gmail(dot)com>
To: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Fwd: Test of Algorithm || Indexing Scheme
Date: 2013-11-11 19:26:57
Message-ID: CANqGtSsY5kmuVEs+5jvJAHhp0uLO4QoGWjLtxkPnVfbbZBT2kw@mail.gmail.com
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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.

Regards,
Rohit

On Mon, Nov 11, 2013 at 6:16 PM, Rohit Goyal <rhtgyl(dot)87(at)gmail(dot)com> wrote:

> Hi,
> Can you pls tel me how can achieve which sound pretty exotic to you.
>
> Can u please share some relevant documents. I havw no clue from where to
> start.
>
> Regards
> Rohit
> On 11.11.2013 14:12, Rohit Goyal wrote:
>
>> Hi,
>> Thanks for reply.
>> I actually want to make some changes in all operations on index like
>> insert, update, delete.
>> for example, i want store a new customized value for every key inserted in
>> b tree instead of storing Tuple Id as value.
>>
>
> That sounds pretty exotic, I can't imagine what good the index will do if
> it doesn't contain tuple IDs.
>
> Can you also pls explain me more about appoach to follow to use my
>> algorithm as GiST opclass. I dont have much knowledge abt this also?
>>
>
> See user manual, and the examples in the server code and contrib.
>
> - Heikki
>

--
Regards,
Rohit Goyal

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