Re: How to use RETURN TABLE in Postgres 8.4

2009/7/3 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Michal Szymanski <dyrex(at)poczta(dot)onet(dot)pl> writes:
>> CREATE OR REPLACE FUNCTION buggy_procedure() RETURNS TABLE (id INT8,
>> test VARCHAR)
>>     AS $$
>> BEGIN
>>     -- @todo hide password
>>     RETURN QUERY
>>         SELECT id  ,test
>>         FROM bug_table
>>     ;
>> END;
>> $$
>>     LANGUAGE plpgsql STRICT SECURITY DEFINER;
>
> Don't use column names in your functions that are the same as variable
> or parameter names of the function.  This is working basically as if
> you'd written "SELECT null,null", because the output parameters are
> still null when the RETURN QUERY is executed.
>

use qualified names instead

RETURN QUERY
SELECT b.id, b.test
FROM bug_table b;

regards
Pavel Stehule

>                        regards, tom lane
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>