infrastructure for queueing, redelivery

database.sql

@@ -408,3 +408,10 @@ CREATE TABLE IF NOT EXISTS `auth_codes` (
 PRIMARY KEY ( `id` )
 ) ENGINE = MYISAM DEFAULT CHARSET=utf8;
 
+CREATE TABLE IF NOT EXISTS `queue` (
+`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
+`cid` INT NOT NULL ,
+`created` DATETIME NOT NULL ,
+`last` DATETIME NOT NULL ,
+`content` MEDIUMTEXT NOT NULL
+) ENGINE = MYISAM DEFAULT CHARSET=utf8;