Merge remote branch 'upstream/master' into pmsql

workflow/engine/data/mysql/schema.sql

@@ -1434,6 +1434,8 @@ DROP TABLE IF EXISTS `APP_SOLR_QUEUE`;
 CREATE TABLE `APP_SOLR_QUEUE`
 (
 	`APP_UID` VARCHAR(32) default '' NOT NULL,
+ `APP_CHANGE_DATE` DATETIME  NOT NULL,
+ `APP_CHANGE_TRACE` VARCHAR(500)  NOT NULL,
 	`APP_UPDATED` TINYINT default 1 NOT NULL,
 	PRIMARY KEY (`APP_UID`)
 )ENGINE=MyISAM  DEFAULT CHARSET='utf8' COMMENT='APP_SOLR_QUEUE';