Re: tracking inherited columns (was: patch for check constraints using multiple inheritance)

On 08/04/2010 06:41 AM, Robert Haas wrote:
> On Wed, Aug 4, 2010 at 6:41 AM, Yeb Havinga<yebhavinga@gmail.com>  wrote:
>>> If child inherits column A from parent1 and parent2, and it is then
>>> renamed to B in parent2, what should the name be in the child after
>>> the rename is completed?
>> The column should be renamed to B in parent2, child and parent1.
> Uh, really?  Wow.  You want to follow the inheritance hierarchy in
> both directions, both down and up?  That seems like it could be
> confusing.
>
>

It seems more than confusing. It seems fundamentally wrong. It would 
certainly be a violation of POLA.

Unless there's an extremely persuasive case made for it I'm inclined 
just to say no.

cheers

andrew