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From: Pavel Stehule <[email protected]>
To: Ron Johnson <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Request for new column in pg_namespace
Date: Sun, 15 Dec 2024 18:15:57 +0100
Message-ID: <CAFj8pRDxMpQv4P3Bi-zEQ+OQ2dsVCZ+g-vbpU-F3qvozZKjUzA@mail.gmail.com> (raw)
In-Reply-To: <CANzqJaCCF9kpfdbWbRR2xuqH_qaBgL+me13w2c-5S=_YATKh+Q@mail.gmail.com>
References: <CANzqJaCCF9kpfdbWbRR2xuqH_qaBgL+me13w2c-5S=_YATKh+Q@mail.gmail.com>

Hi

ne 15. 12. 2024 v 17:59 odesílatel Ron Johnson <[email protected]>
napsal:

> https://www.postgresql.org/docs/current/catalog-pg-namespace.html
>
> Currently, when I want to query all "userland" tables, I write something
> like:
> select ...
> from pg_class cl, pg_namespace nsp
> where cl.relnamespace = nsp.oid
>   and nsp.nspname not like 'pg_%
>   and nsp.nspname != 'information_schema';
>
> A new boolean column named "indissystem" that's true only for system
> relations would make *many* maintenance queries cleaner, since they'd
> look like:
> select ...
> from pg_class cl, pg_namespace nsp
> where cl.relnamespace = nsp.oid
>   and nsp.indissystem = false;
>
>
oid of all system objects is less then 0x4000

Regards

Pavel



> --
> Death to <Redacted>, and butter sauce.
> Don't boil me, I'm still alive.
> <Redacted> lobster!
>


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