Add trigger to update roomUpdated timestamp when a new message is ins…

…erted

drizzle/0001_define_messages.sql

@@ -5,3 +5,12 @@ CREATE TABLE `messages` (
 	`message` text NOT NULL,
 	`messageCreated` text DEFAULT CURRENT_TIMESTAMP NOT NULL
 );
+
+-- added by me
+CREATE TRIGGER IF NOT EXISTS messages_updated
+    AFTER INSERT ON messages
+BEGIN
+    UPDATE rooms
+    SET roomUpdated = CURRENT_TIMESTAMP
+    WHERE roomId = NEW.roomId;
+END;