Re: Flattening a kind of 'dynamic' table - Mailing list pgsql-performance

From Alexandre Leclerc
Subject Re: Flattening a kind of 'dynamic' table
Date
Msg-id 1dc7f0e30501270943683ced12@mail.gmail.com
Whole thread Raw
In response to Re: Flattening a kind of 'dynamic' table  (Dawid Kuroczko <qnex42@gmail.com>)
Responses Re: Flattening a kind of 'dynamic' table
List pgsql-performance
On Thu, 27 Jan 2005 17:27:40 +0100, Dawid Kuroczko <qnex42@gmail.com> wrote:
> On Thu, 27 Jan 2005 10:23:34 -0500, Alexandre Leclerc
> <alexandre.leclerc@gmail.com> wrote:
> > Here a normal listing of design.product_department_time:
> >  product_id | department_id | req_time
> > ------------+---------------+----------
> >         906 | A             |     3000
> >         906 | C             |     3000
> >         906 | D             |     1935
> >         907 | A             |     1500
> >         907 | C             |     1500
> >         907 | D             |     4575
> >         924 | A             |     6000
> >         924 | C             |     1575
>
> Well, I did something like this recently; it can be done though
> maybe not very efficiently...
>
> Unfortunately we will need a rowtype with all the departaments:
> CREATE DOMAIN departaments AS (a int, b int, c int, d int, ...);


Thank you for this help Dawid, I'll have to take some time to look at
this suggestion. If I must create a domain with all the departments
I'll have a problem because the user is creating and deleting
departments as it pleases him.

Any counter-ideas?

Regards.

--
Alexandre Leclerc

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