Re: Odd results in SELECT

Kovacs Zoltan <kovacsz(at)pc10(dot)radnoti-szeged(dot)sulinet(dot)hu> writes:
> On Fri, 11 May 2001, Philip Warner wrote:
>> Can anyone suggest why this might be happening (I think it's in 7.1b4):
>>
>> SELECT definition as viewdef,
>> (select oid from pg_rewrite where
>> rulename='_RETszallitolevel_tetele_ervenyes') as view_oid
>> from pg_views where viewname = 'szallitolevel_tetele_ervenyes';
>>
>> => view_oid is 133652.
>>
>>
>> SELECT definition as viewdef,
>> (select oid from pg_rewrite where
>> rulename='_RET' || 'szallitolevel_tetele_ervenyes') as view_oid
>> from pg_views where viewname = 'szallitolevel_tetele_ervenyes';
>>
>> => view_oid is NULL
> I get the same result in 7.1 final. Tom, isn't this in relation with my
> complex query you solved yesterday?

Not in that form --- there isn't any parameter being passed down to the
subquery. What plan does EXPLAIN show for the failing query?

regards, tom lane