Re: Changing the Primary Key Column

On Thu, 2011-02-24 at 06:20 -0800, 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
>
> > That doesn't make sense. Paste your output please.
>
> nevada-# alter table water_well drop constraint 'not null'
> nevada-# alter table water_well drop column 'sequence_no'
> nevada-# alter table water_well add primary key 'well_log'
> nevada-# commit;
> ERROR: syntax error at or near "alter"
> LINE 2: alter table water_well drop constraint 'not null'
> ^

You forgot the semicolon. You can notice that from the prompt (which is
"-#" rather than "=#".

I think that is causing some of this confusion, although the syntax is
wrong as well -- don't use single-quotes for column/constraint names.

Regards,
Jeff Davis