2012/7/4 Tom Lane <tgl@sss.pgh.pa.us>:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
>> I think if you don't have a true constraint name to use here, you
>> shouldn't use anything.
>
> Yeah, I agree. Don't invent a value, just omit the field.
ok
Pavel
>
> regards, tom lane