Re: Column storage positions - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: Column storage positions
Date
Msg-id 20070222191001.GP4276@alvh.no-ip.org
Whole thread Raw
In response to Re: Column storage positions  (Kris Jurka <books@ejurka.com>)
List pgsql-hackers
Kris Jurka escribió:
> 
> 
> On Thu, 22 Feb 2007, Alvaro Herrera wrote:
> 
> >Zeugswetter Andreas ADI SD escribió:
> >>
> >>I agree, I haven't thought of drop column :-( Drop column should have 
> >>relabeled attnum. Since it was not done then, my comments are probably 
> >>moot.
> >
> >We can correct this problem now.
> 
> How?  If attnum is serving as both physical position and logical order, 
> how can you make it be logical position without breaking physical 
> position?

By patching the code, of course, so that it doesn't serves as both
things, which is what is being discussed.

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


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