add sql

sql/set_website_name.sql

@@ -0,0 +1,22 @@
+CREATE OR REPLACE PROCEDURE set_website_name(in_url text) AS $$
+DECLARE
+	temp_website_id integer;
+	temp_website_name text;
+	temp_website website%ROWTYPE;
+BEGIN
+	temp_website_name = get_website_name(in_url);
+
+	SELECT * INTO temp_website FROM website
+	WHERE website.name = temp_website_name;
+
+    IF NOT FOUND THEN
+        INSERT INTO website (name) VALUES (temp_website_name);
+    END IF;
+
+	SELECT website.id INTO temp_website_id FROM website
+	WHERE website.name = temp_website_name;
+
+	UPDATE artist_website SET website_id = temp_website_id
+	WHERE url = in_url;
+END;
+$$ LANGUAGE plpgsql;