| From: | Kevin Grittner <kgrittn(at)gmail(dot)com> |
|---|---|
| To: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
| Cc: | emre(at)hasegeli(dot)com, Oleg Bartunov <obartunov(at)gmail(dot)com>, David Steele <david(at)pgmasters(dot)net>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Alexander Lebedev <a(dot)lebedev(at)postgrespro(dot)ru> |
| Subject: | Re: [PATCH] we have added support for box type in SP-GiST index |
| Date: | 2016-03-21 19:38:49 |
| Message-ID: | CACjxUsMWTL1Zef1y+zQ8SHcKZApbk3vrCvu0f1tsEEjh66anSA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Mar 21, 2016 at 11:57 AM, Teodor Sigaev <teodor(at)sigaev(dot)ru> wrote:
>> I couldn't get the term 4D point. Maybe it means that we are
>> using box datatype as the prefix, but we are not treating them
>> as boxes.
>
> exactly, we treat boxes as 4-dimentional points.
I'm not entirely sure I understand the terminology either, since I
tend to think of a *point* as having *zero* dimensions. Would it
perhaps be more accurate to say we are treating a 2-dimensional box
as a point in 4-dimensional space?
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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