Re: Changing the Primary Key Column

On Wed, 2011-02-23 at 17:11 -0800, Michael Ewan wrote:
>
> On 02/23/2011 05:09 PM, Rich Shepard wrote:
> > On Wed, 23 Feb 2011, Joshua D. Drake wrote:
> >
> >> alter table drop constraint
> >> alter table drop column
> >> alter table add primary key
> >>
> >> done
> >
> > Thanks, Josh.
> >
> > When I do this and follow with '\d water_well' I still see the first
> > column (sequence_no) with the not null constraint. Wonder why that didn't
> > drop when I specified the column name in the drop column command.
>
> Did you COMMIT; ?

He would still see the change if it actually executed, even in a
transaction because of the isolation. Now if he disconnected and
reconnected or is looking at it in another terminal/session, it wouldn't
see it.

JD

>

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