pg_dumpall problem - duplicated users - Mailing list pgsql-admin

From Przemysław Nogaj
Subject pg_dumpall problem - duplicated users
Date
Msg-id 430D86BB.90806@tey.pl
Whole thread Raw
List pgsql-admin
Hi,

few days ago we made vacuum of all databases on our server. After that
we canot dump databases:

# pg_dumpall -i -U postgres > test.sql
pg_dump: query to obtain list of schemas failed: ERROR:  More than one
tuple returned by a subselect used as an expression.
pg_dumpall: pg_dump failed on database "alibi", exiting


There are duplicated system users, pg_catalogs, pg_temp1, pg_toast and
public...


template1=> select * from pg_catalog.pg_shadow where usesysid = 1;
 usename  | usesysid | usecreatedb | usesuper | usecatupd
|               passwd                | valuntil | useconfig
----------+----------+-------------+----------+-----------+-------------------------------------+----------+-----------
 postgres |        1 | t           | t        | t
|                                     |          |
 postgres |        1 | t           | t        | t         |
md5c084502ed11efa9d3d96d29717a5e555 |          |
(2 rows)


Any suggestions how to solve the problem? There are many databases on
the server we can't loose. Applications can connect to databases - all
works fine, hoewer we must make dumps...


Thanks for any help,
Greetings

Przemek

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