Re: inheritance/oid questions

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От Chris
Тема Re: inheritance/oid questions
Дата
Msg-id 39E0525D.701A5EC@bitmead.com
обсуждение исходный текст
Ответ на inheritance/oid questions  (Alex Pilosov <alex@pilosoft.com>)
Список pgsql-hackers
In the up and coming version of postgres there will be a special column
called "tableoid" which gives the oid from pg_class of the table it came
from. If you are not using the current CVS sources, you will have to
keep a column updated yourself.

Alex Pilosov wrote:
> 
> Suppose I have table a and b (b inherits a).
> 
> Then I do select * from a*;
> 
> Now, I'd like to know which table this particular row came from (a or b).
> Is this possible? Or do I have to have a column where I'd store what kind
> of object this is?
> 
> -alex

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