From: | Lukasz Brodziak <lukasz(dot)brodziak(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Steve Crawford <scrawford(at)pinpointresearch(dot)com>, pgsql-admin(at)postgresql(dot)org |
Subject: | Re: pg_attribute file in PostgreSQL 9.0 |
Date: | 2012-03-07 17:03:03 |
Message-ID: | CAGWYGjUfH038Q6eKDLtfk+5RaXkbVvFmRB3C+LvCsPUpnYW9uw@mail.gmail.com |
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Lists: | pgsql-admin |
Thanks a lot I have found file I needed let's hope I will be able to
fix the problem now as I cannot connect to the database because I get
'catalog is missing 1 attribute for relation 2662' which I hope to be
able to repair by getting the pg_attribute file from another db.
2012/3/7 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Steve Crawford <scrawford(at)pinpointresearch(dot)com> writes:
>> On 03/07/2012 05:14 AM, Lukasz Brodziak wrote:
>>> I have a question regarding pg_attribute. In which file it is stored
>>> because the relfilenode for it shows 0 and file 1249 isn't present in
>>> the folder.
>
>> select pg_relation_filepath('pg_attribute');
>
>> From the docs, relfilenode is:
>> "Name of the on-disk file of this relation; zero means this is a
>> "mapped" relation whose disk file name is determined by low-level state"
>
>> However the meaning "mapped relation" and "low-level state" are
>> difficult to divine from the docs. Go with the function.
>
> Or use pg_relation_filenode() if you want the result of the mapping.
>
> regards, tom lane
--
Łukasz Brodziak
"Do you bury me when I'm gone
Do you teach me while I'm here
Just as soon I belong
Then it's time I disappear"
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