CREATE OR REPLACE PROCEDURE set_artist_name(in_url text) AS $$
DECLARE
	temp_artist_id integer;
	temp_artist_name text;
	temp_artist artist%ROWTYPE;
BEGIN
	temp_artist_name = get_artist_name(in_url);
	temp_artist_name = convert_artist_name(temp_artist_name);

	SELECT * INTO temp_artist FROM artist 
	WHERE artist.name = temp_artist_name;

    IF NOT FOUND THEN
        INSERT INTO artist (name) VALUES (temp_artist_name);
    END IF;
	
	SELECT artist.id INTO temp_artist_id FROM artist
	WHERE artist.name = temp_artist_name;
	
	UPDATE artist_website SET artist_id = temp_artist_id 
	WHERE url = in_url;
END;
$$ LANGUAGE plpgsql;