Re: [PATCH] we have added support for box type in SP-GiST index

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От Stas Kelvich
Тема Re: [PATCH] we have added support for box type in SP-GiST index
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Msg-id 6C555E82-AB18-4983-BEDC-08AA16C58ABD@postgrespro.ru
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Ответ на Re: [PATCH] we have added support for box type in SP-GiST index  (Kevin Grittner <kgrittn@gmail.com>)
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> On 21 Mar 2016, at 22:38, Kevin Grittner <kgrittn@gmail.com> wrote:
>
> On Mon, Mar 21, 2016 at 11:57 AM, Teodor Sigaev <teodor@sigaev.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?

Or just say 4-d vector instead of 4-d point. Look like it will be enough rigorous.

Stas Kelvich
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company





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