CREATE TABLE doc_person
(
    id serial NOT NULL
        constraint doc_person_pk
            primary key,
    id_request INTEGER NOT NULL // И ЗДЕСЬ NOT NULL
        constraint doc_person_doc_request_id_fk
            references doc_request
                ON DELETE cascade
        constraint fk_request
            references cls_department,
    lastname VARCHAR(100) NOT NULL,
    firstname VARCHAR(100) NOT NULL,
    patronymic VARCHAR(100),
    is_agree BOOLEAN NOT NULL
);

CREATE TABLE doc_address_fact
(
    id serial NOT NULL
        constraint doc_address_fact_pk
            primary key,
    address_fact VARCHAR(255) NOT NULL,
    person_office_fact_cnt INTEGER NOT NULL,
    id_request INTEGER NOT NULL // И ЗДЕСЬ NOT NULL
        constraint fk_req_addr
            references doc_request
);