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help / color / mirror / Atom feedFrom: Adrian Klaver <[email protected]>
To: Igor Korot <[email protected]>
To: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: Why there is no records?
Date: Mon, 16 Feb 2026 16:03:46 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <CA+FnnTw9zGdkdhT75qzA-dWBzbQB+QrMB-sx=+bcLA72DoRSzQ@mail.gmail.com>
References: <CA+FnnTw9zGdkdhT75qzA-dWBzbQB+QrMB-sx=+bcLA72DoRSzQ@mail.gmail.com>
On 2/16/26 15:59, Igor Korot wrote:
> Hi,
>
> draft=# SELECT n.nspname, c.oid FROM pg_constraint c, pg_namespace n
> WHERE c.oid = n.oid AND c.conname = 'leagues_pkey';
Because you are doing:
c.oid = n.oid
which is comparing the pg_constraint.oid to the pg_namespace.oid which
are not the same thing.
You need:
c.connamespace = n.oid
> nspname | oid
> ---------+-----
> (0 rows)
>
> draft=# SELECT * FROM pg_constraint WHERE conname = 'leagues_pkey';
> oid | conname | connamespace | contype | condeferrable |
> condeferred | convalidated | conrelid | contypid | conindid |
> conparentid | confrelid | confupdtype | confdeltype | confmatchtype |
> conislocal | coninhcount | connoinherit | conkey | confkey | conpfeqop
> | conppeqop | conffeqop | confdelsetcols | conexclop | conbin
> -------+--------------+--------------+---------+---------------+-------------+--------------+----------+----------+----------+-------------+-----------+-------------+-------------+---------------+------------+-------------+--------------+--------+---------+-----------+-----------+-----------+----------------+-----------+--------
> 16395 | leagues_pkey | 2200 | p | f | f
> | t | 16390 | 0 | 16394 | 0 |
> 0 | | | | t |
> 0 | t | {1} | | | |
> | | |
> (1 row)
>
> Thank you.
>
>
--
Adrian Klaver
[email protected]
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