Описание таблицы calendar_boi.boi_field_change

create table boi_field_change
(
    bo_id              varchar(32) not null,
    boi_id             varchar(32) not null,
    date_field_id      varchar(32) not null,
    status_field_id    varchar(32) not null,
    date_field_value   varchar(200),
    status_field_value varchar(200),
    nom                bigserial,
    op_id              varchar(32),
    op_timestamp       timestamp,
    primary key (bo_id, boi_id, date_field_id, status_field_id)
);