Re: pg_upgrade: How to deal with toast

Zdenek Kotala <Zdenek.Kotala@Sun.COM> writes:
> Heikki Linnakangas napsal(a):
>> Perhaps we should just add the new attid attribute to the toast table, 
>> but mark it as nullable?

> Hmm, It seems to me as a good idea.

No, it's a really horrid idea.  Nullable attributes complicate the C
code, and what in the world are we buying with it anyway?  Just decide
what the field should contain and put it in there.
        regards, tom lane