Destination table by variable?

Hi!

I want to choose the destination table by a variable. Something like this:

CREATE FUNCTION insert_this(int4, varchar, varchar) RETURNS void AS $$
    DECLARE
        destTable text;
    BEGIN
        SELECT INTO destTable get_table_name($1);

        INSERT INTO destTable VALUES ($2, $3);
    END;
$$ LANGUAGE plpgsql;

Is it possible?

/Erik