AW: [HACKERS] ALTER TABLE DROP COLUMN

[Zeugswetter Andreas SB]

> > being deleted, then if the system crashes part way through, 
> it should be
> > possible to continue after the system is brought up, no?
> 
> If it crashes in the middle, some rows have the column 
> removed, and some
> do not.

We would need to know where this separation is, but we cannot do a rollback
only rollforward. Thus probably not acceptable.

Andreas