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From: Richard Huxton <dev@archonet.com>
Organization: Archonet Ltd
To: Stephen.Thompson@bmwfin.com, pgsql-sql@postgresql.org
Subject: Re: VIEW or Stored Proc - Is this even possible?
Date: Wed, 19 Feb 2003 18:10:50 +0000
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On Wednesday 19 Feb 2003 12:56 pm, Stephen.Thompson@bmwfin.com wrote:
> I have a table with fields A, B, C, D and E. Any of these can contain
> nulls. What I need to do is to be able to perform a select that removes
> nulls.
>
> if A =3D 'A'
>   B =3D NULL
>   C =3D NULL
>   D =3D 'D'
>   E =3D 'E'
>
> what I would like returned is
>
> A, D, E, NULL, NULL.

You could do this in 7.3 with table functions (there's a good article on=20
techdocs.postgresql.org about them).

Don't suppose you could give more of an explanation - it sounds like an odd=
=20
thing to do.

--=20
  Richard Huxton