Re: Test for cascade delete in plpgsql - Mailing list pgsql-general

From Robert Fitzpatrick
Subject Re: Test for cascade delete in plpgsql
Date
Msg-id 4E9831AD.6040402@webtent.org
Whole thread Raw
In response to Re: Test for cascade delete in plpgsql  ("David Johnston" <polobo@yahoo.com>)
List pgsql-general
On 10/13/2011 5:45 PM, David Johnston wrote:
> the company record should not be visible
> if you execute a SELECT against the companies table using the given
> company_id value.  The previous is not tested and I am not totally sure
> about the visibility rules in this situation (mainly whether the cascade
> delete occurs before or after the statement delete)

Yes, you understood exactly what I am trying to do, and it appears the
cascade delete occurs after, I didn't even think of that. If I PERFORM a
query on the companies table to test if the record exists in the DELETE
AFTER trigger of the contacts table and base my restriction on IF FOUND,
the record is allowed to be deleted. Thanks!

pgsql-general by date:

Previous
From: Willy-Bas Loos
Date:
Subject: Re: [HACKERS] register creation date of table
Next
From: Guillaume Lelarge
Date:
Subject: Re: [HACKERS] register creation date of table