Обсуждение: troubled by pg_dump and pg_restore

(Please stick to plain text posts, as many readers can't read html or
the formatting gets screwy.  This is a plain text mailing list in
general.  Attachments are ok tho)

On Tue, May 18, 2010 at 5:14 PM, Tena Sakai <sakaitena@yahoo.com> wrote:
>
> Hi Everybody,
>
> I am a bit troubled by pg_dump and pg_restore.  My platform is
> redhat linux, Del 64 bit hardware, running postgres 8.3.7.
> I have a database named canon and I want to move a schema full of
> tables from canon to a new database named musket.  The schema I
> am interested in is called tsakai.  Here's what I have done:
>
>   $ env | grep PG
>   PGUSER=postgres
>   PGDATABASE=canon
>   PGHOST=localhost
>   PGDATA=/usr/local/pgsql/data
>   $
>   $ pg_dump -n tsakai > canon_tsakai.sql
>   $
>   $ echo $?
>   0
>   $
>   $ pg_restore -l canon_tsakai.sql
>   pg_restore: [archiver] input file does not appear to be a valid archive
>   $
>   $ pg_restore -d musket canon_tsakai.sql
>   pg_restore: [archiver] input file does not appear to be a valid archive
>
> Can someone please tell me (1) if there is anything wrong with my invocation
> of pd_dump?  (I want to generate a file pd_restore can use to feed to
> musket database.)  (2) Why pg_restore wouldn't give me listing?  And (3)
> why the second pg_restore command is upset?

pg_restore expects custom format  from pg_dump.  For plain sql files, use psql:

psql mydb -f mysql.sql

Many thanks, Rosser, Sam, and Scott.

Regards,

Tena Sakai
tsakai@gallo.ucsf.edu


On 5/18/10 4:26 PM, "Scott Marlowe" <scott.marlowe@gmail.com> wrote:

> (Please stick to plain text posts, as many readers can't read html or
> the formatting gets screwy.  This is a plain text mailing list in
> general.  Attachments are ok tho)
>
> On Tue, May 18, 2010 at 5:14 PM, Tena Sakai <sakaitena@yahoo.com> wrote:
>>
>> Hi Everybody,
>>
>> I am a bit troubled by pg_dump and pg_restore.  My platform is
>> redhat linux, Del 64 bit hardware, running postgres 8.3.7.
>> I have a database named canon and I want to move a schema full of
>> tables from canon to a new database named musket.  The schema I
>> am interested in is called tsakai.  Here's what I have done:
>>
>>   $ env | grep PG
>>   PGUSER=postgres
>>   PGDATABASE=canon
>>   PGHOST=localhost
>>   PGDATA=/usr/local/pgsql/data
>>   $
>>   $ pg_dump -n tsakai > canon_tsakai.sql
>>   $
>>   $ echo $?
>>   0
>>   $
>>   $ pg_restore -l canon_tsakai.sql
>>   pg_restore: [archiver] input file does not appear to be a valid archive
>>   $
>>   $ pg_restore -d musket canon_tsakai.sql
>>   pg_restore: [archiver] input file does not appear to be a valid archive
>>
>> Can someone please tell me (1) if there is anything wrong with my invocation
>> of pd_dump?  (I want to generate a file pd_restore can use to feed to
>> musket database.)  (2) Why pg_restore wouldn't give me listing?  And (3)
>> why the second pg_restore command is upset?
>
> pg_restore expects custom format  from pg_dump.  For plain sql files, use
> psql:
>
> psql mydb -f mysql.sql