Merge pull request #1 from INOPIAE/bug-1139

bug 1139: Create script for database update

database/update1.sql

@@ -0,0 +1,17 @@
+--- create new table to record the database version
+	CREATE TABLE IF NOT EXISTS `schema_version` (
+		`id` int(11) PRIMARY KEY auto_increment,
+		`version` int(11) NOT NULL UNIQUE,
+		`when` datetime NOT NULL
+	) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci
+
+--- alter learnprogress by one column
+	ALTER TABLE `learnprogress` ADD `passed` int(11) NOT NULL DEFAULT '0';
+
+--- update new column passed with -1
+	UPDATE `learnprogress` SET `passed`=-1
+
+--- update schema version number
+	INSERT INTO `schema_version`
+		(`version`, `when`) VALUES
+		('1'      , NOW() );