Re: Dump a database excluding one table DATA?

From: Dmitry Koterov <dmitry(at)koterov(dot)ru>
To: Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Dump a database excluding one table DATA?
Date: 2011-08-18 20:44:47
Message-ID: CA+CZih6xXFq=0O3haQ9ffKfDkXoAzhw9-z1z3=f=stz_UGGCNg@mail.gmail.com
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Thanks, "pg_dump --data-only --disable-triggers" is the king.

(Unfortunately it is not supported by pg_dumpall, but it is entirely another
story. :-)

On Fri, Aug 19, 2011 at 12:36 AM, Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>wrote:

> On Thursday, August 18, 2011 1:23:25 pm Dmitry Koterov wrote:
> > 1. I need to shorten pg_dump results (for backup purposes), so pg_restore
> > is too late for that..
>
> >
> > 2. If I use "pg_dump -s" separately, the data may not load (or load to
> > slow) after that, because all indices/foreign keys are already there. Is
> > there a way to split "pg_dump -s" into 2 parts: the first part dumps
> > everything excluding indices, checks and foreign keys, and the second
> part
> > - only them? Not sure it is possible at all, because I think pg_dump may
> > dump data not between these two blocks of DDLs...
> >
>
> I am not sure I follow. Are you saying you eventually restore the data for
> that
> table as a separate step? If so, from the previous link, this might help:
>
> "
> --disable-triggers
>
> This option is only relevant when performing a data-only restore. It
> instructs pg_restore to execute commands to temporarily disable triggers on
> the
> target tables while the data is reloaded. Use this if you have referential
> integrity checks or other triggers on the tables that you do not want to
> invoke
> during data reload.
>
> Presently, the commands emitted for --disable-triggers must be done as
> superuser. So, you should also specify a superuser name with -S, or
> preferably
> run pg_restore as a PostgreSQL superuser.
> "
>
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)gmail(dot)com
>
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> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
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