Re: deleting referenced data

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От Richard Huxton
Тема Re: deleting referenced data
Дата
Msg-id 200308270807.14401.dev@archonet.com
обсуждение исходный текст
Ответ на Re: deleting referenced data  (Andreas Fromm <Andreas.Fromm@physik.uni-erlangen.de>)
Список pgsql-general
On Tuesday 26 August 2003 23:09, Andreas Fromm wrote:
> Bruno Wolff III wrote:
> >On Tue, Aug 26, 2003 at 18:34:04 +0100,
> >  Richard Huxton <dev@archonet.com> wrote:
> >
> >
> >I don't think that is what he wants. He seems to want to go in the other
> >direction. That is going to require custom triggers and probably adding a
> >reference count column to data-tables.
>
> This is what I want to do, but my question is how can I easely now if
> there is someone referencing a certain record. Is it just possible by
> searching every table that could reference it or is there an other way
> of doing it without adding an reference count column?

Those are basically your two options.

--
  Richard Huxton
  Archonet Ltd

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