alter table project__template add `type` varchar(10) not null default ''; alter table `task` add `message` varchar(250) not null default ''; alter table project__template add start_version varchar(20); alter table project__template add build_template_id int references project__template(id); alter table `task` add `version` varchar(20); alter table `task` add commit_hash varchar(40); alter table `task` add commit_message varchar(100) not null default '';