add sql

sql/set_folder_path.sql

@@ -0,0 +1,26 @@
+CREATE OR REPLACE PROCEDURE set_folder_path(in_url text) AS $$
+DECLARE
+	temp_folder_path text;
+	aw_artist_id integer;
+	aw_website_id integer;
+	artist_name text;
+	website_name text;
+BEGIN
+	SELECT aw.artist_id INTO aw_artist_id FROM artist_website aw
+	WHERE aw.url = in_url;
+
+	SELECT aw.website_id INTO aw_website_id FROM artist_website aw
+	WHERE aw.url = in_url;
+
+	SELECT artist.name INTO artist_name FROM artist
+	WHERE artist.id = aw_artist_id;
+	
+	SELECT website.name INTO website_name FROM website
+	WHERE website.id = aw_website_id;
+	
+	temp_folder_path = concat('Artist/', artist_name, '/', website_name);
+	
+	UPDATE artist_website SET folder_path = temp_folder_path
+	WHERE url = in_url;
+END;
+$$ LANGUAGE plpgsql;