Re: Problems with ALTER DOMAIN patch

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От Bruce Momjian
Тема Re: Problems with ALTER DOMAIN patch
Дата
Msg-id 200212120000.gBC008109587@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: Problems with ALTER DOMAIN patch  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Problems with ALTER DOMAIN patch  (Rod Taylor <rbt@rbt.ca>)
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It is an idea if no better one can be found, unless we don't want ALTER
DOMAIN at all, which doesn't seem good.

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

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > I have an idea.  Rather than doing some complex locking for types, why
> > don't we just restrict ALTER DOMAIN to cases where we are the only one
> > attached to the database, as seen in dropdb().
> 
> Yech!
> 
> > would allow the regression test to work too because no one is attached
> > to 'regression' at the time of the test.
> 
> No, we'd just get random reports of unreproducible failures.
> 
> FWIW, I frequently attach to the regression database with a manual psql
> while the regression tests are running.  It's a useful thing to do ---
> I've more than once found bugs that way.
> 
>             regards, tom lane
> 
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