Re: Boxes

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От Bruno Wolff III
Тема Re: Boxes
Дата
Msg-id 20040915180009.GA29550@wolff.to
обсуждение исходный текст
Ответ на Boxes  (Pierre-Frédéric Caillaud<lists@boutiquenumerique.com>)
Список pgsql-general
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On Tue, Sep 14, 2004 at 14:00:43 +0200,
  Pierre-Frédéric Caillaud <lists@boutiquenumerique.com> wrote:
>
>     I have a table containing coordinates and I want to insert these
>     into  another table, converting them to boxes.
>
>     I would like to use the same syntax as arrays :
>
>     INSERT INTO ... (coords) SELECT ARRAY[a,b,c] FROM ...
>
>     But I want boxes. Is there a way to do this ?
>
>     SELECT BOX[[a,b],[c,d]] FROM ...

You want something like box(point(a,b),point(c,d)) .


>     raises a Syntax Error.
>     And I'd like to avoid to concatenate strings to build a box
> representation like
>     '((1,2),(3,4))'::box;
>
>     Is there a way ?
>
>     Thanks !
>
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