Re: How to create a virtual column

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От Martijn van Oosterhout
Тема Re: How to create a virtual column
Дата
Msg-id 20051106121433.GA20590@svana.org
обсуждение исходный текст
Ответ на How to create a virtual column  (Chris <chris.velevitch@gmail.com>)
Список pgsql-general
On Sun, Nov 06, 2005 at 02:58:15AM +0000, Chris wrote:
> How do I create a virtaul column?
>
> A virtual column is accessible like any other column except that there is no
> physical column associated with it (unless it's indexed). The data for the
> column is derived from other columns in the table. For example, in a table
> people, a persons name is the concatentation if their first, middle and surnames.

Sounds like a view to me...

have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.

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