Re: BETWEEN Node & DROP COLUMN

Bruce Momjian wrote:
>
> Christopher Kings-Lynne wrote:
> > Hi All,
> >
> > I have given up working on the BETWEEN node. It got to the stage where I
> > realised I was really out of my depth! Rod Taylor has indicated an interest
> > in the problem and I have sent him my latest patch, so hopefully he'll be
> > able to crack it.
> >
> > So instead, I've taken up with the DROP COLUMN crusade. It seems that the
> > following are the jobs that need to be done:
>
> Great crusade!
>
> > * Add attisdropped to pg_attribute
> > - Looking for takers for this one, otherwise I'll look into it.
>
> I can do this for you. Just let me know when.
>
> > * Fill out AlterTableDropColumn
> > - I've done this, with the assumption that attisdropped exists. It sets
> > attisdropped to true, drops the column default and renames the column.
> > (Plus does all other normal ALTER TABLE checks)
> > * Modify parser and other places to ignore dropped columns
> > - This is also up for grabs.
>
> As I remember, Hiroshi's drop column changed the attribute number to a
> special negative value, which required lots of changes to track.

??? What do you mean by *lots of* ?

regards,
Hiroshi Inoue
http://w2422.nsk.ne.jp/~inoue/