Re: ON DELETE CASCADE Question

From: Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>
To: mailing(dot)lists(at)octgsoftware(dot)com, pgsql-general(at)postgresql(dot)org
Subject: Re: ON DELETE CASCADE Question
Date: 2013-11-04 19:55:45
Message-ID: 5277FBC1.2020403@gmail.com
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On 11/04/2013 11:44 AM, Jason Long wrote:
> I would like for corresponding records in t_a to be deleted when I
> delete a record from t_b. This deletes from t_b when I delete from t_a,
> but not the other way around. I am unable to create a foreign key
> constraint on t_a because this table holds records from several other
> tables.

I am not sure how this is a problem? If you propose to delete a value
from t_a and that value is used by other tables how is the manner of its
deletion relevant?

I added a simple script below that demonstrates my problem.
>
> Any suggestions?
>

--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com

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