Re: all views in database broken at once

Поиск
Список
Период
Сортировка
От Jan Wieck
Тема Re: all views in database broken at once
Дата
Msg-id 200103251257.HAA24194@jupiter.jw.home
обсуждение исходный текст
Ответ на Re: all views in database broken at once  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-sql
Tom Lane wrote:
> Andrew Perrin <aperrin@socrates.berkeley.edu> writes:
> > But I'm intrigued: what is it that causes this? Is it *my*
> > recreating the view on which the other views depend,
>
> Yes.  You dropped and recreated the view --- the new version may have
> the same name but it's not the same OID, so it isn't the same object.
> And the other views refer to it by OID.
>
> The ultimate solution should have two parts, IMHO:
>
> 1. Dependency checking so that you *can't* drop a view that is still
> referenced.  However this will not be complete --- it's not clear that
> we can detect references inside PL functions, for example.
   PL's  aren't  too critical. A simple reconnect will whipe out   all SPI plans in PL functions and  RI  triggers,  so
they'll   notice the changes.
 


Jan

--

#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me.                                  #
#================================================== JanWieck@Yahoo.com #



_________________________________________________________
Do You Yahoo!?
Get your free @yahoo.com address at http://mail.yahoo.com



В списке pgsql-sql по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: all views in database broken at once
Следующее
От: Mathijs Brands
Дата:
Сообщение: Re: all views in database broken at once