- addExtensionSql('ALTER TABLE `{?_MYSQL_PREFIX?}_online` CHANGE `userid` `userid` BIGINT( 20 ) UNSIGNED NULL DEFAULT NULL,
-CHANGE `refid` `refid` BIGINT( 20 ) UNSIGNED NULL DEFAULT NULL');
+ addExtensionChangeTableColumnSql('online', 'userid', 'userid', 'BIGINT(20) UNSIGNED NULL DEFAULT NULL');
+ addExtensionChangeTableColumnSql('online', 'refid', 'refid', 'BIGINT(20) UNSIGNED NULL DEFAULT NULL');