The first record ctid=(0,1) is obsolete, you can delete it. It is probably
race
condition in VACUUM and catalog modification. Did you added or modified
any user
account (e.g. password change) in related time? Please, can you let us
know
exact version of PostgreSQL?
Zdenek
Khobotko Oleg napsal(a):
> Hello, help me please,
> I don't know how, but i got 2 postgres users.
> How can I delete the first one ????
> thx alot for your answers.
>
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
> select passwd,ctid,xmin,xmax,cmin,cmax from pg_shadow where usesysid =1;
> passwd | ctid | xmin | xmax | cmin
> | cmax
>
-------------------------------------+-------+------+----------+----------+-----
> -
> | (0,1) | 1 | 16754522 | 16754522
> | 0
> md510db8c04d26d32185270721fcf32155 | (0,2) | 2 | 0 | 0
> | 0
> (2 rows)
>
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
> select * from pg_shadow where usesysid=1;
> usename | usesysid | usecreatedb | usesuper | usecatupd |
> passwd
> | valuntil | useconfig
>
----------+----------+-------------+----------+-----------+---------------------
> ----------------+----------+-----------
> postgres | 1 | t | t | t
> |
> | |
> postgres | 1 | t | t | t |
> md510db8c04d231142d5
> 270721fcf740ed5 | infinity |
> (2 rows)
>
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
>
> Tom Lane пишет:
> "spol@[EMAIL PROTECTED]
" <spol@[EMAIL PROTECTED]
> writes:
>
>> I have two "postgres" user. How to delete the first one ???
>>
>
> Let's see the system columns (ctid,xmin,xmax,cmin,cmax) for those
> two rows?
>
> regards, tom lane
>
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