Re: puzzled by SELECT INTO

[Gerardo Herzig <gherzig(at)fmed(dot)uba(dot)ar>]

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