CREATE column TABLE banks (
  sk tinyint NOT NULL GENERATED BY DEFAULT AS IDENTITY,
  code varchar(10) DEFAULT NULL,
  name varchar(100) DEFAULT NULL,
  notes text,
  version smallint DEFAULT NULL,
  PRIMARY KEY (sk)
);

@Entity
@Table(name = "banks")
class BankHib {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    var sk: Int = _

    var code: String = _
    var name: String = _
    var notes: String = _
    var version: Int = _
}

session.beginTransaction
    val b = new BankHib
    b.code = "B3"
    b.name = "xxxxx"
    b.version = 1
    b.notes = "aaa"
    session.save(b)
    session.getTransaction.commit

@Entity
@Table(name = "banks")
class BankHib {

    @Id
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "bank_generator")
    @SequenceGenerator(name="bank_generator", sequenceName="bankSeq", allocationSize=1)
    var sk: Int = _

    var code: String = _
    var name: String = _
    var version: Int = _
}

CREATE SEQUENCE bankSeq start with 1 increment by 1 minvalue 1