Re: WIP: extensible enums

On Mon, August 23, 2010 11:49 am, Alvaro Herrera wrote:
> Excerpts from Andrew Dunstan's message of lun ago 23 05:35:09 -0400 2010:
>
>> To add a label at the end of the list, do:
>>
>> ALTER TYPE myenum ADD 'newlabel';
>>
>> To add a label somewhere else, do:
>>
>> ALTER TYPE myenum ADD 'newlabel' BEFORE 'existinglabel';
>>
>> or
>>
>> ALTER TYPE myenum ADD 'newlabel' AFTER 'existinglabel';
>
> What do you need AFTER for? Seems to me that BEFORE should be enough.
> (You already have the unadorned syntax for adding an item after the last
> one, which is the corner case that BEFORE alone doesn't cover).
>

You're right. Strictly speaking we don't need it. But it doesn't hurt much
to provide it for a degree of symmetry.

cheers

andrew