Re: Get rid of system attributes in pg_attribute?

Tom Lane wrote:
> Andreas Pflug <pgadmin@pse-consulting.de> writes:
> 
>>Tom Lane wrote:
>>
>>>it still seems like we don't have to represent these columns explicitly
>>>in pg_attribute.
> 
> 
>>Hm, technically you might be right. Still, I like pgAdmin3 to show that 
>>columns (when "show system objects" is enabled) for teaching purposes, 
>>so users/newbies browsing the objects will learn "hey, there are some 
>>reserved columns, they could have some meaning".
> 
> 
> Not unreasonable, but is it worth a factor of 2 in the size of
> pg_attribute?

Do we need to save space? On a DB with quite some tables I have 
pg_attribute size=7.5MB, pg_class size 5.8MB (13166 pg_attribute rows 
total, 5865 system columns, most tables without oids). This doesn't seem 
unacceptable big to me.

Regards,
Andreas