Patch applied to CVS HEAD and 8.1.X.  Thanks.

---------------------------------------------------------------------------


Joachim Wieland wrote:
> Hi,
> 
> there's a paragraph in the ALTER TABLE reference page that reads:
> 
> DROP CONSTRAINT
> 
>     This form drops constraints on a table. Currently, constraints on tables
>     are not required to have unique names, so there may be more than one
>     constraint matching the specified name. All matching constraints will be
>     dropped. 
> 
> To my knowledge, it is no longer possible to create constraints with the
> same name for the same relation. When you create a constraint and specify
> the same name explictly, an error is raised. Implicit constraint creation
> won't choose an existing name either and up to now you could not rename a
> constraint. Renaming works with the patch I sent in a few hours ago but this
> patch as well won't allow constraints with identical names on the same
> relation.
> 
> The attached patch thus removes the note in the docs.
> 
> 
> Joachim

[ Attachment, skipping... ]

> 
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Have you searched our list archives?
> 
>                http://archives.postgresql.org

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

---------------------------(end of broadcast)---------------------------
TIP 3: Have you checked our extensive FAQ?

               http://www.postgresql.org/docs/faq

Reply via email to