Re: pg_restore remap schema

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Guillaume Lelarge <guillaume@lelarge.info>
Cc: Fabrice Chapuis <fabrice636861@gmail.com>, "pgsql-generallists.postgresql.org" <pgsql-general@lists.postgresql.org>, Marcos Pegoraro <marcos@f10.com.br>
Date: 2022-11-16T14:42:28Z
Lists: pgsql-general
Guillaume Lelarge <guillaume@lelarge.info> writes:
> Le mer. 16 nov. 2022 à 13:08, Fabrice Chapuis <fabrice636861@gmail.com> a
> écrit :
>> I worked on the pg_dump source code to add remap schema functionality to
>> use it internally where I work. This is a first version that allows to
>> remap tables, views and sequences (only to export schema). Is this
>> development likely to interest the PG community and to continue this
>> development further?

> If it doesn't work on functions, that will be a big issue. And to be
> honest, I don't think you can do it reliably on functions, especially with
> dynamic queries in PL/pgsql.

Yeah --- I fear there is no hope of making a feature like this that
works reliably enough that we'd accept it.  pg_restore is just not
that smart about what is in the chunks of DDL that it processes,
and trying to make it smart enough is a losing game.

			regards, tom lane