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... ]
>
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