Re: Re: Accessing other databases with DBLink when leaving user/password empty - Mailing list pgsql-general

From Adrian Klaver
Subject Re: Re: Accessing other databases with DBLink when leaving user/password empty
Date
Msg-id 200806060653.33194.aklaver@comcast.net
Whole thread Raw
In response to Re: Accessing other databases with DBLink when leaving user/password empty  (Hermann Muster <Hermann.Muster@gmx.de>)
Responses Re: Accessing other databases with DBLink when leaving user/password empty
List pgsql-general
On Friday 06 June 2008 2:32 am, Hermann Muster wrote:
> Does no one have any idea about that?
>
> Regards.
>
> Hermann Muster wrote:
> > Hi,
> >
> > I have the following problem when trying to access other PostgreSQL
> > databases with DBLink. I followed the instructions on
> > http://www.postgresonline.com/journal/index.php?/archives/44-Using-DbLink
> >-to-access-other-PostgreSQL-Databases-and-Servers.html.
> >
> >
> > My query to get access to another database on the same server looks like
> > this:
> >
> >     select dblink_connect('1512','host=127.0.0.1 port=5432
> >     dbname=Test user=postgres password=postgres');

From the documentation:
http://www.postgresql.org/docs/current/static/dblink.html
Don't do the above.


> >
> >     select * from dblink('1512','select "Vorname", "Name" from
> >     "PERSONEN"')
> >     AS (Vorname text, Name text);

Here do:
select * from dblink('dbname=Test','select "Vorname", "Name" from
     "PERSONEN"')
     AS (Vorname text, Name text);

> >
> > The question is if it is possible to leave the 'user' and 'password'
> > empty, so that these are taken from the account I'm currently using, as
> > described below (taken from the above article).
> >
> >     [...]
> >     Below is an example of querying a database on the same server
> >     and cluster using DbLink. Note if no username and password is
> >     specified, then DbLink connects with whatever account you are
> >     currently using.
> >
> > It is not possible to connect to the other database when they are empty
> > and it seems that DBLink can't get them from the currently used account.
> > Can you please help me with that? Thank you.
> >
> > Regards,
> > H. Muster

--
Adrian Klaver
aklaver@comcast.net

pgsql-general by date:

Previous
From: Alexandr Popov
Date:
Subject: Problems with pg_dump ?
Next
From: Zoltan Boszormenyi
Date:
Subject: Heavily fragmented table and index data in 8.0.3