--- mqtt/etc/mqtt_acc.sql	2011/11/23 00:47:50	1.1.2.1
+++ mqtt/etc/mqtt_acc.sql	2011/11/28 16:59:28	1.1.2.4
@@ -1,10 +1,18 @@
 PRAGMA foreign_keys=ON;
 BEGIN TRANSACTION;
-CREATE TABLE Users (
+CREATE TABLE IF NOT EXISTS Users (
 uid integer primary key AUTOINCREMENT,
 Username varchar(64) not null,
 Password varchar(64) not null,
 Access integer not null,
 Stamp timestamp);
-CREATE UNIQUE INDEX User on Users (UserName);
+CREATE UNIQUE INDEX IF NOT EXISTS User on Users (UserName);
+CREATE TRIGGER IF NOT EXISTS Users_update_t AFTER UPDATE ON Users
+BEGIN
+	UPDATE Users SET Stamp = strftime('%s', 'now') WHERE Username = old.Username;
+END;
+CREATE TRIGGER IF NOT EXISTS Users_insert_t AFTER INSERT ON Users
+BEGIN
+	UPDATE Users SET Stamp = strftime('%s', 'now') WHERE Username = new.Username;
+END;
 COMMIT;