On Sat, Jan 8, 2011 at 8:02 PM, Joel Jacobson <joel@gluefinance.com> wrote:
> 2011/1/9 Robert Haas <robertmhaas@gmail.com>:
>> Oops. I misread your query. I thought the duplicates were because
>> you were feeding pg_describe_object the same classoid, objoid,
>> objsubid pair more than once, but I see now that's not the case (UNION
>> != UNION ALL).
>
> Ah, I see, yes, the query should actually be UNION, it would produce
> the same result, but perhaps it would be a bit faster.
You did use UNION - I think if you used UNION ALL you'd get spurious
results. But maybe I'm still confused.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
