RE: Updating pg_attribute - Permission denied
От | Trewern, Ben |
---|---|
Тема | RE: Updating pg_attribute - Permission denied |
Дата | |
Msg-id | 996802F75C3CD411B424001083FA445B0594E6@CET_PONXX_FP001 обсуждение исходный текст |
Ответ на | Updating pg_attribute - Permission denied ("Trewern, Ben" <Ben.Trewern@mowlem.com>) |
Ответы |
Re: Updating pg_attribute - Permission denied
|
Список | pgsql-general |
Looks like I have turned off usecatupd in pg_shadow. Doh! Was mucking around with permissions some time ago but not had any trouble up till now. Any ideas how to switch it back? Update pg_shadow SET usecatupd ..... gives me Permission denied!!! Ben. > -----Original Message----- > From: Tom Lane [mailto:tgl@sss.pgh.pa.us] > Sent: 22 October 2000 04:08 > To: Trewern, Ben > Cc: 'pgsql-general@postgresql.org' > Subject: Re: [GENERAL] Updating pg_attribute - Permission denied > > > "Trewern, Ben" <Ben.Trewern@mowlem.com> writes: > > I was trying to update attnotnull = 't' in the pg_attribute > to add Not Null > > constraint to a table. It gave me a Permission denied. > > Is this standard? Am I not allowed to change system > catalogues (I am using > > the postgres superuser!) > > I don't believe it --- are you *sure* you were superuser? Or perhaps > you'd turned off pg_shadow's usecatupd for yourself? > > I get this behavior: > > play=> update pg_attribute set attnotnull = 't' where > attrelid = 334893 and > play-> attname = 'f1'; > ERROR: pg_attribute: Permission denied. > play=> \c - postgres > You are now connected as new user postgres. > play=# update pg_attribute set attnotnull = 't' where > attrelid = 334893 and > play-# attname = 'f1'; > UPDATE 1 > play=# > > > Or can you only change attnotnull to false i.e. remove a not null > > constraint? I suppose this would make some kind of sense, as there > > could already be Nulls in the field. > > It's up to you to worry about that sort of consistency issue if you > reach in and hack pg_attribute directly. Certainly the permission > check is not concerned with it. > > regards, tom lane >
В списке pgsql-general по дате отправления: