Re: Question about dependency functions in the backend

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Gevik Babakhani <pgdev(at)xs4all(dot)nl>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Question about dependency functions in the backend
Date: 2006-04-23 22:39:41
Message-ID: 20060423223941.GH4775@surnet.cl
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Gevik Babakhani wrote:

> I was wondering whether there is a backend function to help finding the
> dependencies on a relation.column inside pg_depend. Something like
> dependency.c:0255:findAutoDeletableObjects also taking the "refobjsubid"
> with the search. This I ask in order to avoid reinventing the wheel :)
>
> Perhaps the "findAutoDeletableObjects" could be used but the function
> name is confusing.

Huh, you can certainly give the refobjsubid to findAutoDeletableObjects.
Just set it to a non-zero value. Note that that function only returns
DEPENDENCY_INTERNAL and DEPENDENCY_AUTO objects however.

What do you need it for?

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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