Re: How to move data from 1 database to another?

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От scott.marlowe
Тема Re: How to move data from 1 database to another?
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Msg-id Pine.LNX.4.33.0405111042040.22574-100000@css120.ihs.com
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Ответ на Re: How to move data from 1 database to another?  ("Thomas LeBlanc" <thomasatiem@hotmail.com>)
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Oh, then just edit the dump to point to the right table and don't
bother with the insert into part.

On Tue, 11 May 2004, Thomas LeBlanc wrote:

> Actually, the database db2 has all ready been created, plus the table names
> are the same, so I can not use pg_dump and restore.
>
> INSERT INTO db1.public.tables SELECT * FROM db2.public.table1
>
> Thanks,
> Thomas
>
>
> >From: "scott.marlowe" <scott.marlowe@ihs.com>
> >To: Thomas LeBlanc <thomasatiem@hotmail.com>
> >CC: <pgsql-general@postgresql.org>
> >Subject: Re: [GENERAL] How to move data from 1 database to another?
> >Date: Tue, 11 May 2004 10:13:22 -0600 (MDT)
> >
> >On Tue, 11 May 2004, Thomas LeBlanc wrote:
> >
> > > I have 2 databases. I want to move data from table table1 in database
> >db1 to
> > > table2 in db2.
> > >
> > > When I query 1 table from another database, I get a cross-database
> > > references are not implemented.
> > >
> > > server1% psql db1
> > > emdata=# select * from db2.public.table1;
> > > ERROR:  Cross-database references are not implemented
> > >
> > >
> > > What can I do to get the data into another database?
> >
> >You can usually use pg_dump to accomplish such tasks.  It's not something
> >likely to be implemented any time soon now that schemas have been
> >implemented.  If you have no great reason to have two seperate databases
> >versus two schemas, you may want to investigate using schemas in the
> >future.
> >
> >For now, you can do something like:
> >
> >pg_dump -d db1 -t table1 |psql db2
> >
> >then psql and do
> >
> >insert into table2 (select * from table1);
> >
> >
>
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