From: Ron <ronljohnsonjr@gmail.com>
To: pgsql-admin@lists.postgresql.org
Subject: Re: How to fully restore a single table from a custom dump?
Date: Tue, 9 Aug 2022 11:41:33 -0500
Message-ID: <93797605-23dc-de94-d49e-0849475ad426@gmail.com> (raw)
In-Reply-To: <9ca2d8ca-a175-630e-e449-48c2dee5e0f6@jakobs.com>
References: <e434fe3f-0159-2223-8670-411d5c21c5bd@gmx.net>
<1622540476.1110533.1660049347030@email.ionos.com>
<9ca2d8ca-a175-630e-e449-48c2dee5e0f6@jakobs.com>
On 8/9/22 08:21, Holger Jakobs wrote:
> Am 09.08.22 um 14:49 schrieb MichaelDBA Vitale:
>> Hi,
>> If you use the directory dump method, -Fd, then you could generate an
>> editable listing where you can selectively remove stuff that you don't
>> want to restore, just keeping the stuff related to your specific table.
>> You run pg_restore once to generate the listing. Then run pg_restore
>> again using that modified listing to load into the target database. See
>> the pg_restore docs for exact syntax.
>> Regards,
>> Michael Vitale
>>> On 08/09/2022 8:06 AM EDT Thomas Kellerer <shammat@gmx.net> wrote:
>>> Hello,
>>> I just realized that using
>>> pg_restore -t some_table ... some_dump_file
>>> doesn't restore things like identity attributes
>>> or indexes on the specified table.
>>> The dump contains much more than just that table, so simply
>>> using pg_restore without -t is not an option.
>>> While I could extract the indexes manually using some clever regex
>>> on the index names, I don't see a way to make sure that identity
>>> definitions (or sequence values) are restored properly for the selected
>>> table.
>>> Any ideas, how I can _fully_ restore a single table from a custom dump?
>>> Thomas
>
> Creating a list of contained items and restoring some of them works the
> same with custom dumps. Directory dumps have no advantage here.
>
> Just comment out all items you don't want to restore by putting a ; in
> front of the lines or delete the unwanted lines altogether and restore.
>
Which is less than convenient when there's 4000 tables, and each one has 3
or four indices, a Primary Key and one or more Foreign Keys.
--
Angular momentum makes the world go 'round.
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To: pgsql-admin@postgresql.org
Cc: ronljohnsonjr@gmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: How to fully restore a single table from a custom dump?
In-Reply-To: <93797605-23dc-de94-d49e-0849475ad426@gmail.com>
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