Re: puzzled by SELECT INTO

Rodrigo De León wrote:

>On 10/30/07, Gerardo Herzig <gherzig(at)fmed(dot)uba(dot)ar> wrote:
>
>
>>Wreird enough to me, need some advice plz!
>>
>>
>
>CREATE OR REPLACE FUNCTION READ_WORDS(BIGINT, INT[])
>RETURNS VARCHAR
>AS
>$$
> DECLARE
> RETURNVALUE VARCHAR;
> BEGIN
> SELECT ARRAY_TO_STRING(ARRAY(
> SELECT WORD
> FROM WORDS WHERE PAGE_ID=$1
> AND WORD_POSITION = ANY ($2)
> ), ' ') INTO RETURNVALUE;
> RETURN RETURNVALUE;
> END;
>$$ LANGUAGE PLPGSQL;
>
>SELECT READ_WORDS(99466, '{2994,2995,2996}');
>
>See:
>http://www.postgresql.org/docs/8.2/static/arrays.html
>
>
>
>
Mmmm, yes, that make perfect sense. I did 'resolve' the previous
situation by using EXECUTE, i will try your solution now.

Gracias Rodrigo.
Gerardo