Semaphore/db/sql/migrations/v1.4.0.sql

CREATE TABLE `event` (
  `project_id` int DEFAULT NULL,
  `object_id` int DEFAULT NULL,
  `object_type` varchar(20) DEFAULT '',
  `description` text,
  `created` datetime NOT NULL,
  unique (`project_id`, `object_id`, `created`)
);

alter table `task` add `created` datetime null;
alter table `task` add `start` datetime null;
alter table `task` add `end` datetime null;