On 7/6/07, Luki Rustianto <lukirus@gmail.com> wrote:
> Hi,
>
> One of my customer's server goes down, I don't know yet how, but when
> when they restart the machine I got this:
> 1. DB is working like usual
> 2. template0 and template1 database is *duplicated*
> 3. I can't do pg_dump, because error returned (see below)
>
> How can I backup the database (other than template0 and template1) ?
> How can this happen (duplicated db entry) ?
>
> below is the log:
>
> [korp@bum ~]$ psql -Utest -l
> Password:
> List of databases
> Name | Owner | Encoding
> --------------+----------+-----------
> template0 | postgres | SQL_ASCII
> template0 | postgres | SQL_ASCII
> template1 | postgres | SQL_ASCII
> template1 | postgres | SQL_ASCII
> tmed | test | SQL_ASCII
> tmed_drei | test | SQL_ASCII
> (6 rows)
>
> [korp@bum ~]$ pg_dump -x -O -Utest tmed > db.sql Password:
> pg_dump: query to obtain list of schemas failed: ERROR: more than one
> row returned by a subquery used as an expression
>
> [terakorp@bumel ~]$ psql -Utest teramed -c "SELECT COUNT(*) FROM
> regpatient" Password:
> count
> --------
> 135223
> (1 row)
>
> [terakorp@bumel ~]$ psql --version
> psql (PostgreSQL) 7.4.8
> contains support for command-line editing
>
>
> thx.
>
This can happen when your index is/are corrupted. Try issuing a
reindex command.
regards,
--
Sibte Abbas
EnterpriseDB http://www.enterprisedb.com