-- apply changes
create table fleet_renewal (
  sys_pk                        bigint generated by default as identity not null,
  deleted_on                    timestamp,
  current_approval_level        integer default 0 not null,
  required_approval_levels      integer default 0 not null,
  date                          date,
  last_date                     date,
  frequency                     integer not null,
  fleet_sys_pk                  bigint,
  deleted                       boolean default false not null,
  version                       integer default 1 not null,
  created_at                    timestamp default 'now()' not null,
  modified_at                   timestamp default 'now()' not null,
  deleted_by                    varchar(255),
  approval_status               varchar(8) default 'APPROVED' not null,
  tags                          varchar[] default '{}' not null,
  comments                      jsonb default '[]' not null,
  tenant_id                     varchar(255) not null,
  name                          varchar(255) not null,
  created_by                    varchar(255) not null,
  modified_by                   varchar(255) not null,
  constraint ck_fleet_renewal_approval_status check ( approval_status in ('PENDING','APPROVED','REJECTED')),
  constraint pk_fleet_renewal primary key (sys_pk)
);

-- foreign keys and indices
create index ix_fleet_renewal_fleet_sys_pk on fleet_renewal (fleet_sys_pk);
alter table fleet_renewal add constraint fk_fleet_renewal_fleet_sys_pk foreign key (fleet_sys_pk) references fleet (sys_pk) on delete restrict on update restrict;