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Re: Problem identifying constraints which should not beinherited

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: NikhilS <nikkhils(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us>, Chris Fischer <Chris(dot)Fischer(at)channeladvisor(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Problem identifying constraints which should not beinherited
Date: 2008-03-20 12:41:17
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Lists: pgsql-bugspgsql-hackers
NikhilS escribió:

> On Wed, Mar 19, 2008 at 8:23 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> > If it's a small patch, it's wrong by definition.  AFAICS there is no way
> > to fix this correctly that doesn't involve catalog changes.  The point
> > of the TODO is that you have to enforce that the inherited constraint
> > sticks around, eg can't be dropped on a child table while it's still
> > present on the parent.  There are implications for pg_dump too.
> Ok, I understand. But even then this could patch could be considered even if
> it does not solve the TODO completely, no? It atleast disallows ONLY ADD
> CONSTRAINT on the parent.

No, because you would then feel that the TODO item is completed and not
provide a patch for the whole problem :-)

Alvaro Herrera                      
The PostgreSQL Company - Command Prompt, Inc.

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