Re: SQL function and input variables

2011/9/21 Thomas Kellerer <spam_eater(at)gmx(dot)net>:
> Martín Marqués, 21.09.2011 14:56:
>>
>> I was makeing an SQL function and got an error which on a sintax that
>> I thouhgt would work:
>>
>> CREATE OR REPLACE FUNCTION dicInsertarPalabra(p TEXT)
>> RETURNS INT AS $body$
>>        INSERT INTO public.diccionario (palabra) VALUES (quote_literal(p));
>>        SELECT COALESCE(codigo,0) FROM public.diccionario
>>               WHERE palabra = quote_literal(p);
>> $body$ LANGUAGE 'SQL';
>>
>> Changing p for $1 in the body of the function makes it work. But,
>> can't we label input arguments like how I did here?
>>
> This is because the language SQL does not support named parameters, only
> positional ones.
>
> http://www.postgresql.org/docs/current/static/xfunc-sql.html#XFUNC-NAMED-PARAMETERS

Thanks for the tip. Didn't know that, and just kept using plpgsql sintax.

Thanks again.

--
Martín Marqués
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