Re: pg_dump

I did one thing, we can exclude the toast table in the pg_dump command that
has the BLOBS data for a particular table.

--exclude-table-data=pg_toast.pg_toast_10176226

Thanks,
Wasim

On Tue, 13 Aug, 2024, 12:48 am Holger Jakobs, <holger(at)jakobs(dot)com> wrote:

> Am 12.08.24 um 21:09 schrieb Wasim Devale:
> > Hi All
> >
> > Please let me know if the below option persists while using pg_dump
> > command:
> >
> > -t table_name --exclude-column column_name
> >
> > I have a table with a column having bytea data type (BLOBS). I just
> > want to exclude this in the dump file as it is of 99GB but I want the
> > other data in the same table which is of only 22MB.
> >
> > Please let me know any work around this.
> >
> > I used this option in pg_dump but that didn't work:
> >
> > --exclude-table-data = table_name
> >
> > PG version 12.19
> >
> > Thanks,
> > Wasim
> No, pg_dump can only dump complete tables.
>
> An alternative would be exporting the result of a select command via
> COPY or \copy to a file, which can easily be read again with COPY or \copy
>
> COPY is an SQL command and has to be used by a superuser because it
> writes to (or reads from) a file on the server.
> \copy is a psql command and thus can only be executed in psql (not any
> other client) and by any user, because it writes to (or reads from) a
> file on the client computer.
>
> Kind Regards,
>
> Holger
>
> --
>
> Holger Jakobs, Bergisch Gladbach
>
>