From: | Igor Korot <ikorot01(at)gmail(dot)com> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
Cc: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, "Peter J(dot) Holzer" <hjp-pgsql(at)hjp(dot)at>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Attaching database |
Date: | 2022-10-15 15:56:32 |
Message-ID: | CA+FnnTwiBg-KXKoCiOZZa43Eh0ANxEFvSDaN-m761ve_C5DxBw@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
Hi, Adrian,
On Sat, Oct 15, 2022, 10:51 AM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:
> On 10/15/22 08:20, Adrian Klaver wrote:
> > On 10/14/22 21:46, Igor Korot wrote:
> >
> >
> >> Making catalog current means switching between DBs.
> >> Remember initially I connected to (finance) DB, which made the
> >> (finance) catalog
> >> current.
> >> Then I "opened a second connection" to (finance_2021), which made
> >> that current catalog and so that select would give me all tables from
> >> (finance_2021).
> >
> > No you didn't.
> >
> > Rough outline of what happens:
> >
> > 1) You connected to the database finance.
> > 2) While in the finance database you queried the foreign tables that are
> > linked to finance_2021.
> > 3) The queries made connections the to finance_2021 for the purposes of
> > making the data visible in the foreign tables in finance.
> > 4) The client you did this did not 'leave' the finance database, so the
> ^
> in
> > only information_schema you have access to is in the finance database.
>
So any and all operations/queries performed before, during or after that
will be done on (finance) catalog), because this is the "main" connection,
right?
Thank you.
>
> >>
> >> I hope now its clearer.
> >>
> >> Thank you.
> >>
> >>>
> >>> David J.
> >>
> >>
> >
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>
>
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