Re: Why there is no records?

Thx.

On Mon, Feb 16, 2026 at 6:03 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> wrote:
>
> 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
> adrian(dot)klaver(at)aklaver(dot)com