text: 
  -- +migrate Up
  -- SQL in section 'Up' is executed when this migration is applied
  create table issue_subscription
  (
    id uuid NOT NULL DEFAULT uuid_generate_v4() PRIMARY KEY,
    datecreated timestamp with time zone NOT NULL,
    idissue uuid NOT NULL REFERENCES issue(id),
    iduser uuid NOT NULL REFERENCES users(id)
  );
  
  -- +migrate Down
  -- SQL section 'Down' is executed when this migration is rolled back
  
  drop table issue_subscription;