Re: Restoring only a subset of schemas

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Sylvain Cuaz <sylvain(at)ilm-informatique(dot)fr>
Cc: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Restoring only a subset of schemas
Date: 2025-03-19 16:13:26
Message-ID: 710893.1742400806@sss.pgh.pa.us
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Sylvain Cuaz <sylvain(at)ilm-informatique(dot)fr> writes:
> Further, I don't see how it's an edge-case, at the core I just want to restore some but not all the
> schemas. This is possible for pg_dump, see my response to Adrian Klaver.

You have a very good point that it's annoying that pg_restore's
--schema switch doesn't act like pg_dump's --schema switch.
I could support changing that, but only if we also did something
about the fact that pg_restore's switch doesn't handle patterns.

The pattern aspect is kind of a mess, because pg_dump implements
that through a server-side regex, which is a facility pg_restore
doesn't have access to. Maybe it'd be good enough to implement
the "*" and "?" wildcards and stop there, but I'm not sure.

regards, tom lane

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