Re: prefix btree implementation

From: Junji TERAMOTO <teramoto(dot)junji(at)lab(dot)ntt(dot)co(dot)jp>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu>
Subject: Re: prefix btree implementation
Date: 2005-10-06 02:42:32
Message-ID: 43448F18.6060207@lab.ntt.co.jp
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Hello all,

I also was examining a similar compression method just.

Qingqing Zhou wrote:
> We can find a way to handle the above case, but it is better to find a
> general way to handle any data types(include UDT). "Each type optionally
> provide the required routines" could be a way, more details?

How about the use of difference information with "High key"?
Because "High key" information exists also in the route page, I think
that it seems to be able to use it well. (e.g. new tuple insertion)
# There is a problem that in the rightmost page, "High key" is not...

My consideration was just started, whether it goes well really has not
been understood yet.

---
Junji Teramoto

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